"SQL 모음"의 두 판 사이의 차이

DB CAFE

2023년 4월 6일 (목) 21:25 판

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DBA { Oracle DBA 명령어 > DBA 초급 과정 > DBA 고급 과정 }
튜닝 { 오라클 튜닝 목록 }
모델링 { 데이터 모델링 가이드 }

1 인덱스 정보[편집]

1.1 INDEX 보기[편집]

USER_INDEXES
USER_IND_COLUMNS

SELECT A.INDEX_NAME
     , A.UNIQUENESS
     , TO_CHAR(COLUMN_POSITION, '999') AS POS
     , SUBSTRB(COLUMN_NAME, 1, 33) AS COLUMN_NAME
  FROM USER_INDEXES A
     , USER_IND_COLUMNS B
 WHERE A.INDEX_NAME = B.INDEX_NAME 
   AND A.TABLE_OWNER = UPPER('E_LUCIS') 
   AND A.TABLE_NAME = UPPER('&테이블명') ORDER BY 1, 3;

1.2 전체 INDEX 보기[편집]

DBA_INDEXES
DBA_IND_COLUMNS

SELECT SUBSTRB(A.TABLE_NAME, 1, 22) AS TABLE_NAME
     , SUBSTRB(A.INDEX_NAME, 1, 23) AS INDEX_NAME
     , SUBSTRB(A.UNIQUENESS, 1, 7) AS UNIQUE
     , TO_CHAR(COLUMN_POSITION, '999') AS POS
     , SUBSTRB(COLUMN_NAME, 1, 20) AS COLUMN_NAME
  FROM DBA_INDEXES A
     , DBA_IND_COLUMNS B
 WHERE A.INDEX_NAME = B.INDEX_NAME 
   AND A.TABLE_OWNER = B.TABLE_OWNER 
   AND A.TABLE_OWNER = 'E_LUCIS' 
 ORDER BY 1, 2, 3;

1.3 특정 테이블의 인덱스 확인[편집]

ALL_IND_COLUMNS

/* 인덱스를 확인 하고자 할때 사용하는 쿼리 */ 
SELECT C.TABLE_NAME
     , C.INDEX_NAME
     , C.COLUMN_NAME
     , C.COLUMN_POSITION
     , T.NUM_ROWS
  FROM ALL_IND_COLUMNS C
     , (SELECT TABLE_NAME, NUM_ROWS
          FROM ALL_TABLES
         WHERE OWNER = 'ESTDBA'
           AND TABLE_NAME IN (SELECT TABLE_NAME                                    
                                FROM USER_TABLES
                               WHERE TABLE_NAME LIKE:IN_TABLE_NAME || '%'
                                   )
           AND NUM_ROWS > 0
       ) T
 WHERE C.TABLE_NAME = T.TABLE_NAME 
 ORDER BY T.NUM_ROWS DESC, C.TABLE_NAME, C.INDEX_NAME, C.COLUMN_POSITION;

1.4 인덱스에 대한 컬럼 조회[편집]

USER_IND_COLUMNS

SELECT TABLE_NAME
     , INDEX_NAME
     , COLUMN_POSITION
     , COLUMN_NAME
  FROM USER_IND_COLUMNS 
 ORDER BY TABLE_NAME, INDEX_NAME, COLUMN_POSITION;

1.5 PRIMARY KEY 재생성 방법[편집]

--- PRIMARY KEY DROP

ALTER TABLE EMP 
       DROP PRIMARY KEY;

-- PRIMARY KEY 생성 

ALTER TABLE EMP 
        ADD CONSTRAINT EMP_PK 
    PRIMARY KEY(EMPNO) 
      USING INDEX STORAGE(INITIAL 1M NEXT 1M PCTINCREASE 0) 
 TABLESPACE USERS;

1.6 PRIMARY KEY를 REFERENCE 하는 FOREIGN KEY 찾기[편집]

DBA_OBJECTS
CDEF$
CON$

SELECT C.NAME CONSTRAINT_NAME 
  FROM DBA_OBJECTS A
     , CDEF$ B
     , CON$ C
 WHERE A.OBJECT_NAME = UPPER('&테이블명') 
   AND A.OBJECT_ID = B.ROBJ# 
   AND B.CON# = C.CON#;

1.7 중복인덱스 체크[편집]

SYS.ICOL$
SYS.IND$
SYS.OBJ$
SYS.USER$

SELECT O1.NAME || '.' || N1.NAME     REDUNDANT_INDEX
     , O2.NAME || '.' || N2.NAME     SUFFICIENT_INDEX
  FROM SYS.ICOL$  IC1
     , SYS.ICOL$  IC2
     , SYS.IND$   I1
     , SYS.OBJ$   N1
     , SYS.OBJ$   N2
     , SYS.USER$  O1
     , SYS.USER$  O2
 WHERE     IC1.POS# = 1
       AND IC2.BO# = IC1.BO#
       AND IC2.OBJ# != IC1.OBJ#
       AND IC2.POS# = 1
       AND IC2.INTCOL# = IC1.INTCOL#
       AND I1.OBJ# = IC1.OBJ#
       AND BITAND (I1.PROPERTY, 1) = 0
       AND (SELECT MAX (POS#) * (MAX (POS#) + 1) / 2
              FROM SYS.ICOL$
             WHERE OBJ# = IC1.OBJ#) =
           (SELECT SUM (XC1.POS#)
              FROM SYS.ICOL$ XC1, SYS.ICOL$ XC2
             WHERE     XC1.OBJ# = IC1.OBJ#
                   AND XC2.OBJ# = IC2.OBJ#
                   AND XC1.POS# = XC2.POS#
                   AND XC1.INTCOL# = XC2.INTCOL#)
       AND N1.OBJ# = IC1.OBJ#
       AND N2.OBJ# = IC2.OBJ#
       AND O1.USER# = N1.OWNER#
       AND O2.USER# = N2.OWNER#;

또는

select /*+ rule */ 
   a.table_owner, 
   a.table_name, 
   a.index_owner, 
   a.index_name, 
   column_name_list, 
   column_name_list_dup, 
   dup duplicate_indexes, 
   i.uniqueness, 
   i.partitioned, 
   i.leaf_blocks, 
   i.distinct_keys, 
   i.num_rows, 
   i.clustering_factor 
from 
  ( 
   select 
      table_owner, 
      table_name, 
      index_owner, 
      index_name, 
      column_name_list_dup, 
      dup, 
      max(dup) OVER 
       (partition by table_owner, table_name, index_name) dup_mx 
   from 
      ( 
       select 
          table_owner, 
          table_name, 
          index_owner, 
          index_name, 
          substr(SYS_CONNECT_BY_PATH(column_name, ','),2)   
          column_name_list_dup, 
          dup 
       from 
          ( 
          select 
            index_owner, 
            index_name, 
            table_owner, 
            table_name, 
            column_name, 
            count(1) OVER 
             (partition by 
                 index_owner, 
                 index_name) cnt, 
             ROW_NUMBER () OVER 
               (partition by 
                  index_owner, 
                  index_name 
                order by column_position) as seq, 
             count(1) OVER 
               (partition by 
                  table_owner, 
                  table_name, 
                  column_name, 
                  column_position) as dup 
   from 
      sys.dba_ind_columns 
   where 
      index_owner not in ('SYS', 'SYSTEM')) 
where 
   dup!=1 
start with seq=1 
connect by prior seq+1=seq 
and prior index_owner=index_owner 
and prior index_name=index_name 
)) a, 
( 
select 
   table_owner, 
   table_name, 
   index_owner, 
   index_name, 
   substr(SYS_CONNECT_BY_PATH(column_name, ','),2) column_name_list 
from 
( 
select index_owner, index_name, table_owner, table_name, column_name, 
count(1) OVER ( partition by index_owner, index_name) cnt, 
ROW_NUMBER () OVER ( partition by index_owner, index_name order by column_position) as seq 
from sys.dba_ind_columns 
where index_owner not in ('SYS', 'SYSTEM')) 
where seq=cnt 
start with seq=1 
connect by prior seq+1=seq 
and prior index_owner=index_owner 
and prior index_name=index_name 
) b, dba_indexes i 
where 
    a.dup=a.dup_mx 
and a.index_owner=b.index_owner 
and a.index_name=b.index_name 
and a.index_owner=i.owner 
and a.index_name=i.index_name 
order by 
   a.table_owner, a.table_name, column_name_list_dup;

1.8 테이블의 PK를 구성하는 컬럼 조회[편집]

USER_TABLES
USER_CONSTRAINTS
USER_CONS_COLUMNS

SELECT A.TABLE_NAME, B.CONSTRAINT_NAME, C.COLUMN_NAME 
  FROM USER_TABLES A
     , USER_CONSTRAINTS B
     , USER_CONS_COLUMNS C
 WHERE A.TABLE_NAME = B.TABLE_NAME 
   AND B.CONSTRAINT_NAME = C.CONSTRAINT_NAME 
   AND B.CONSTRAINT_TYPE = 'P';

1.9 Index가 없는 Table 조회[편집]

DBA_TABLES
DBA_INDEXES

SELECT OWNER, TABLE_NAME 
FROM (SELECT OWNER
           , TABLE_NAME
        FROM DBA_TABLES
       MINUS
      SELECT TABLE_OWNER
           , TABLE_NAME
        FROM DBA_INDEXES
     )
 WHERE OWNER NOT IN ('SYS', 'SYSTEM') ORDER BY OWNER, TABLE_NAME;

2 락 정보[편집]

2.1 테이블에 LOCK이 걸렸는지를 보기[편집]

V$SESSION
V$LOCK
DBA_OBJECTS

SELECT A.SID
     , A.SERIAL#
     , SUBSTRB(A.USERNAME, 1, 16) AS USERNAME
     , SUBSTRB(A.MACHINE, 1, 30) AS MACHINE
     , A.TERMINAL
     , A.OSUSER
     , A.PROGRAM
     , SUBSTRB(TO_CHAR(A.LOGON_TIME, 'MM/DD HH24:MI:SS'), 1, 14) AS LOGON_TIME
     , SUBSTRB(C.OBJECT_NAME, 1, 58) AS OBJECT_NAME
  FROM V$SESSION A
     , V$LOCK B
     , DBA_OBJECTS C
 WHERE A.SID = B.SID AND B.ID1 = C.OBJECT_ID 
   AND B.TYPE = 'TM' 
   AND C.OBJECT_NAME LIKE UPPER('&테이블명');

2.2 Lock을 잡고있는 세션과 기다리는 세션 조회[편집]

V$SESSION
V$LOCK
DBA_OBJECTS

SELECT DECODE(B.LOCKWAIT, NULL, ' ', 'w') AS WW
     , B.SID
     , B.SERIAL# AS SER#
     , SUBSTR(B.MACHINE, 1, 10) AS MACHINE
     , SUBSTR(B.PROGRAM, 1, 15) AS PROGRAM
     , SUBSTR(A.OBJECT_NAME, 1, 17) AS OBJ_NAME
     , SUBSTR(B.STATUS, 1, 1) AS S
     , DECODE(B.COMMAND,  0, NULL,  2, 'INSERT',  6, 'UPDATE',  7, 'DELETE',  B.COMMAND) AS SQLCMD
     , B.PROCESS AS PGM_PSS
  FROM V$SESSION B
     , ( SELECT A.SID, DECODE(B.OWNER, NULL, A.TYPE || '..ing', B.OWNER || '.' || B.OBJECT_NAME) AS OBJECT_NAME
         FROM V$LOCK A
            , DBA_OBJECTS B
        WHERE  A.ID1 = B.OBJECT_ID(+)
        GROUP BY  A.SID, DECODE(B.OWNER, NULL, A.TYPE || '..ing', B.OWNER || '.' || B.OBJECT_NAME)
       ) A
 WHERE B.SID = A.SID 
   AND B.TADDR IS NOT NULL;

2.3 테이블에 걸린 비정상적 LOCK 풀기[편집]

ALTER SYSTEM KILL SESSION '&SID,&SERIAL';

ALTER SYSTEM KILL SESSION '&SID,&SERIAL,@1';

2.4 작업 중인 데이터베이스 트랜잭션 조회[편집]

V$SESSION
V$TRANSACTION
DBA_ROLLBACK_SEGS

SELECT S.SID
     , S.SERIAL#
     , S.STATUS
     , S.OSUSER
     , S.USERNAME
     , T.STATUS
     , T.START_TIME
  FROM V$SESSION S
     , V$TRANSACTION T
     , DBA_ROLLBACK_SEGS R
 WHERE S.TADDR = T.ADDR 
   AND T.XIDUSN = R.SEGMENT_ID;

2.5 열려 있는 커서 조회[편집]

V$SESSION
V$OPEN_CURSOR

SELECT A.SID
     , A.OSUSER
     , COUNT(B.SID) AS "CURSOR"
     , A.PROGRAM
     , A.STATUS
  FROM V$SESSION A
     , V$OPEN_CURSOR B
 WHERE A.SID = B.SID(+) 
 GROUP BY A.SID, A.OSUSER, A.PROGRAM, A.STATUS;

2.6 잠금 발생 유형 조회[편집]

V$LOCK

SELECT A.SID

         ,DECODE(A.TYPE
                ,'MR', 'MEDIA RECOVERY'
                ,'RT', 'REDO THREAD'
                ,'UN', 'USER_NAME'
                ,'TX', 'TRANSACTION'
                ,'TM', 'DML'
                ,'UL', 'PL/SQL USER LOCK'
                ,'DX', 'DISTRIBUTED XACTION'
                ,'CF', 'CONTROL FILE'
                ,'IS', 'INSTANCE STATE'
                ,'FS', 'FILE SET'
                ,'IR', 'INSTANCE RECOVERY'
                ,'FS', 'FILE SET'
                ,'ST', 'DISK SPACE TRANSACTION'
                ,'TS', 'TEMP SEGMENT'
                ,'IV', 'LIBRARY CACHE INVAILDATION'
                ,'LS', 'LOG START OR SWITCH'
                ,'RW', 'ROW WAIT'
                ,'SQ', 'SEQUENCE NUMBER'
                ,'TE', 'EXTEND TABLE'
                ,'TT', 'TEMP TABLE'
                ,A.TYPE
                )
            AS "LOCK_TYPE"
         ,DECODE(A.LMODE
                ,0, 'NONE'
                ,1, 'NULL'
                ,2, 'ROW-S(SS)'
                ,3, 'ROW-X(SX)'
                ,4, 'SHARE'
                ,5, 'S/ROW-X(SSX)'
                ,6, 'EXCLUSIVE'
                ,TO_CHAR(A.LMODE)
                )
            AS "MODE_HELD"
         ,DECODE(A.REQUEST
                ,0, 'NONE'
                ,1, 'NULL'
                ,2, 'ROW-S(SS)'
                ,3, 'ROW-X(SX)'
                ,4, 'SHARE'
                ,5, 'S/ROW-X(SSX)'
                ,6, 'EXCLUSIVE'
                ,TO_CHAR(A.REQUEST)
                )
            AS "MODE_REQUESTED"
         ,TO_CHAR(A.ID1) AS "LOCK_ID1"
         ,TO_CHAR(A.ID2) AS "LOCK_ID2"
         ,DECODE(BLOCK,  0, 'NOT BLOCKING',  1, 'BLOCKING',  2, 'GLOBAL',  TO_CHAR(BLOCK)) AS "BLOCKING_OTHERS"

FROM V$LOCK A WHERE (ID1, ID2) IN (SELECT B.ID1, ID2

                         FROM      V$LOCK B
                         WHERE     B.ID1 = A.ID1);

2.7 잠금 상태 오브젝트 조회[편집]

V$LOCKED_OBJECT
V$SESSION
DBA_OBJECT

SELECT A.SESSION_ID
     , B.SERIAL#
     , A.OS_USER_NAME
     , A.ORACLE_USERNAME
     , C.OBJECT_NAME
     , A.LOCKED_MODE
     , A.XIDUSN
  FROM V$LOCKED_OBJECT A
      , V$SESSION B
      , DBA_OBJECTS C
 WHERE A.OBJECT_ID = C.OBJECT_ID AND A.SESSION_ID = B.SID;

2.8 잠금 SQL 구문 조회[편집]

V$SQLTEXT
V$SESSION
V$ACCESS

SELECT B.USERNAME AS USERNAME
     , C.SID AS SID
     , C.OWNER AS OBJECT_OWNER
     , C.OBJECT AS OBJECT
     , B.LOCKWAIT
     , A.PIECE
     , A.SQL_TEXT AS SQL
 FROM V$SQLTEXT A
    , V$SESSION B
    , V$ACCESS C
WHERE A.ADDRESS = B.SQL_ADDRESS 
  AND A.HASH_VALUE = B.SQL_HASH_VALUE 
  AND B.SID = C.SID 
  AND C.OWNER!= 'SYS';

2.9 해당 테이블의 세션을 제거하는 쿼리[편집]

V$LOCK
DBA_OBJECTS
V$SESSION

SELECT 'ALTER SYSTEM KILL SESSION '''|| S.SID||','||S.SERIAL# ||''';' 
  FROM V$LOCK L, DBA_OBJECTS O, V$SESSION S 
 WHERE L.ID1 = O.OBJECT_ID 
   AND S.SID = L.SID 
   AND O.OWNER = 'ESTDBA' 
   AND O.OBJECT_NAME = 'TMP_GSYM2'

2.10 Blocking Lock Session 확인[편집]

V$SQLTEXT
V$SESSION
V$ACCESS

SELECT B.BLOCKING_SESSION AS BLOCKING_SESSION_SID
     , C.SID AS LOCK_SESSION_SID
     , C.OWNER AS OBJECT_OWNER
     , C.OBJECT AS OBJECT
     , B.LOCKWAIT
     , A.PIECE
     , A.SQL_TEXT AS SQL
  FROM V$SQLTEXT A
     , V$SESSION B
     , V$ACCESS C
 WHERE A.ADDRESS = B.SQL_ADDRESS 
   AND A.HASH_VALUE = B.SQL_HASH_VALUE 
   AND B.SID = C.SID 
   AND B.BLOCKING_SESSION IS NOT NULL 
   AND C.OWNER NOT IN ('SYS', 'PUBLIC') 
   AND C.OBJECT NOT IN ('TOAD_PLAN_TABLE') 
 ORDER BY A.PIECE;

3 테이블 정보[편집]

3.1 테이블 생성일자 보기[편집]

USER_OBJECTS

SELECT SUBSTRB(OBJECT_NAME, 1, 15) AS OBJECT_NAME
     , CREATED
     , LAST_DDL_TIME
     , TIMESTAMP
     , STATUS
  FROM USER_OBJECTS 
 WHERE OBJECT_NAME = UPPER('&테이블명') 
   AND OBJECT_TYPE = 'TABLE';

3.2 테이블의 크기 및 블록 보기[편집]

USER_SEGMENTS

SELECT SUBSTR(SEGMENT_NAME, 1, 20)
     , BYTES
     , BLOCKS 
  FROM USER_SEGMENTS 
 WHERE SEGMENT_NAME = UPPER('&테이블명');

3.3 파티션 테이블의 파티션 범위 보기[편집]

USER_TAB_PARTITIONS

SELECT SUBSTRB(PARTITION_NAME, 1, 30) AS PARTITION_NAME, SUBSTRB(TABLESPACE_NAME, 1, 30) AS TABLESPACE_NAME, HIGH_VALUE 
  FROM USER_TAB_PARTITIONS 
 WHERE TABLE_NAME = UPPER('&테이블명');

3.4 CONSTRAINT 보기[편집]

DBA_CONSTRAINTS
DBA_CONS_COLUMNS

SELECT DECODE(A.CONSTRAINT_TYPE, 'P', 'Primary Key', 'R', 'Foreign Key', 'C', 'Table Check', 'V', 'View Check', 'U', 'Unique', '?')            AS "유형"
     , SUBSTRB(A.CONSTRAINT_NAME, 1, 25) AS CONSTRAINT_NAME
     , B.POSITION
     , SUBSTRB(B.COLUMN_NAME, 1, 25) AS COLUMN_NAME
 FROM DBA_CONSTRAINTS A
    , DBA_CONS_COLUMNS B
WHERE A.CONSTRAINT_NAME = B.CONSTRAINT_NAME 
  AND A.OWNER = 'E_LUCIS' 
  AND A.TABLE_NAME = UPPER('&테이블명') ORDER BY 1, 2, 3;

3.5 특정 테이블의 스키마 구조 확인[편집]

3.5.1 DBA 용[편집]

DBA_TAB_COLUMNS
DBA_COL_COMMENTS
DBA_CONS_COLUMNS

SELECT OWNER
     , TABLE_NAME
     , COLUMN_NAME
     , PK
     , COLUMN_NAME
     , DATA_TYPE || '( ' || NVL(DATA_TYPE_2, DATA_LENGTH) || ' )' DATA_TYPE
     , NULLABLE
     , COMMENTS
  FROM (SELECT A.OWNER
             , A.TABLE_NAME
             , A.COLUMN_ID
             , B.POSITION PK
             , A.COLUMN_NAME
             , A.DATA_TYPE
             , A.DATA_PRECISION || DECODE(A.DATA_SCALE, NULL, NULL, ',' || A.DATA_SCALE) DATA_TYPE_2
             , A.DATA_LENGTH
             , A.DATA_PRECISION
             , A.DATA_SCALE
             , A.NULLABLE
             , A.COMMENTS
             , ROW_NUMBER() OVER (PARTITION BY A.OWNER, A.TABLE_NAME, A.COLUMN_ID ORDER BY A.COLUMN_ID, B.POSITION) RN
          FROM (SELECT COL.OWNER
                     , COL.TABLE_NAME
                     , COL.COLUMN_ID
                     , COL.COLUMN_NAME
                     , COL.DATA_TYPE
                     , COL.DATA_LENGTH
                     , COL.DATA_PRECISION
                     , COL.DATA_SCALE
                     , COL.NULLABLE
                     , COM.COMMENTS
                  FROM DBA_TAB_COLUMNS COL
                     , DBA_COL_COMMENTS COM
                 WHERE COL.COLUMN_NAME = COM.COLUMN_NAME
                   AND COL.OWNER = COM.OWNER 
                   AND COL.TABLE_NAME = COM.TABLE_NAME 
                   AND COM.OWNER =:IN_OWNER
                   AND COM.TABLE_NAME LIKE:IN_TABLE_NAME || '%'
               ) A
               , DBA_CONS_COLUMNS B
           WHERE B.TABLE_NAME(+) = A.TABLE_NAME
             AND B.COLUMN_NAME(+) = A.COLUMN_NAME) X
WHERE X.RN = 1 ORDER BY X.TABLE_NAME, X.COLUMN_ID;

3.5.2 일반 사용자 용[편집]

SELECT TABLE_NAME
       , COLUMN_NAME
       , PK
       , COLUMN_NAME
       , DATA_TYPE || '( ' || NVL (DATA_TYPE_2, DATA_LENGTH) || ' )'    DATA_TYPE
       , NULLABLE
       , COMMENTS
    FROM (SELECT A.TABLE_NAME
               , A.COLUMN_ID
               , B.POSITION                                                   PK
               , A.COLUMN_NAME
               , A.DATA_TYPE
               ,    A.DATA_PRECISION
                 || DECODE (A.DATA_SCALE, NULL, NULL, ',' || A.DATA_SCALE)    DATA_TYPE_2
               , A.DATA_LENGTH
               , A.DATA_PRECISION
               , A.DATA_SCALE
               , A.NULLABLE
               , A.COMMENTS
               , ROW_NUMBER ()
                     OVER (PARTITION BY A.TABLE_NAME, A.COLUMN_ID
                           ORDER BY A.COLUMN_ID, B.POSITION)                  RN
            FROM (SELECT COL.TABLE_NAME
                       , COL.COLUMN_ID
                       , COL.COLUMN_NAME
                       , COL.DATA_TYPE
                       , COL.DATA_LENGTH
                       , COL.DATA_PRECISION
                       , COL.DATA_SCALE
                       , COL.NULLABLE
                       , COM.COMMENTS
                    FROM USER_TAB_COLUMNS COL, USER_COL_COMMENTS COM
                   WHERE     COL.COLUMN_NAME = COM.COLUMN_NAME
                         AND COL.TABLE_NAME = COM.TABLE_NAME
                         AND COM.TABLE_NAME LIKE :IN_TABLE_NAME || '%') A
               , USER_CONS_COLUMNS B
           WHERE     B.TABLE_NAME(+) = A.TABLE_NAME
                 AND B.COLUMN_NAME(+) = A.COLUMN_NAME) X
   WHERE X.RN = 1
ORDER BY X.TABLE_NAME, X.COLUMN_ID;

3.6 사용자별 오브젝트 수[편집]

DBA_OBJECTS

SELECT OWNER                                                AS "OWNER"
       , SUM (DECODE (OBJECT_TYPE, 'TABLE', 1, 0))            AS "TABLE"
       , SUM (DECODE (OBJECT_TYPE, 'INDEX', 1, 0))            AS "INDEX"
       , SUM (DECODE (OBJECT_TYPE, 'SYNONYM', 1, 0))          AS "SYNONYMS"
       , SUM (DECODE (OBJECT_TYPE, 'SEQUENCE', 1, 0))         AS "SEQUENCES"
       , SUM (DECODE (OBJECT_TYPE, 'VIEW', 1, 0))             AS "VIEWS"
       , SUM (DECODE (OBJECT_TYPE, 'CLUSTER', 1, 0))          AS "CLUSTERS"
       , SUM (DECODE (OBJECT_TYPE, 'DATABASE LINK', 1, 0))    AS "DBLINKS"
       , SUM (DECODE (OBJECT_TYPE, 'PACKAGE', 1, 0))          AS "PACKAGES"
       , SUM (DECODE (OBJECT_TYPE, 'PACKAGE BODY', 1, 0))     AS "PACKAGE_BODY"
       , SUM (DECODE (OBJECT_TYPE, 'PROCEDURE', 1, 0))        AS "PROCEDURES"
       , SUM (DECODE (OBJECT_TYPE, 'FUNCTION', 1, 0))         AS "FUNCTION"
    FROM DBA_OBJECTS
GROUP BY OWNER;

4 모니터링[편집]

4.1 연결되어 있는 OS 사용자 및 프로그램 조회[편집]

V$SESSION

SELECT SID
     , SERIAL#
     , OSUSER
     , SUBSTRB(USERNAME, 1, 10) AS USER_NAME
     , SUBSTRB(PROGRAM, 1, 30) AS PROGRAM_NAME
     , STATUS
     , TO_CHAR(LOGON_TIME, 'YYYY/MM/DD HH:MI') AS LOGON_TIME
  FROM V$SESSION WHERE TYPE!= ‘BACKGROUND’ AND STATUS = ‘ACTIVE’;

4.2 1시간 이상 유휴 상태인 세션[편집]

SELECT SID
     , SERIAL#
     , USERNAME
     , TRUNC(LAST_CALL_ET / 3600, 2) || ' HR' LAST_CALL_ET
  FROM V$SESSION 
 WHERE LAST_CALL_ET > 3600 
   AND USERNAME IS NOT NULL;

4.3 Active Session 중 Idle Time이 긴 작업[편집]

V$SESSION
V$PROCESS

SELECT VS.SID || ',' || VS.SERIAL# " SID"
     , VP.SPID
     , VS.MACHINE
     , VS.PROGRAM
     , VS.MODULE
     , VS.STATUS
     , TO_CHAR(VS.LOGON_TIME, 'MM/DD HH24:MI') LOGIN_TIME
     , ROUND(VS.LAST_CALL_ET / 60) "IDLE"
  FROM V$SESSION VS
     , V$PROCESS VP
 WHERE VS.STATUS = 'ACTIVE' 
   AND VS.SID NOT IN (1, 2, 3, 4, 5, 6, 7) 
   AND VS.PADDR = VP.ADDR 
 ORDER BY 8;

4.4 DBUser 별로 Session 정보를 조회[편집]

SELECT S.USERNAME
     , S.SID
     , S.SERIAL#
     , P.SPID
     , S.OSUSER
     , S.MACHINE
     , S.PROGRAM
     , TO_CHAR(S.LOGON_TIME, 'MM/DD HH24:MI') "LOGON_TIME"
     , ROUND(S.LAST_CALL_ET / 60) "IDLE"
  FROM V$SESSION S
     , V$PROCESS P
 WHERE S.PADDR = P.ADDR AND S.USERNAME LIKE UPPER('&DBUSER%') 
 ORDER BY 9;

4.5 Session별 사용 명령어[편집]

V$SESSION
V$SESSTAT
V$STATNAME
V$PROCESS

SELECT SESS.SID

         ,SESS.SERIAL#
         ,SUBSTR(SESS.USERNAME, 1, 10) "USER NAME"
         ,SUBSTR(OSUSER, 1, 11) "OS USER"
         ,SUBSTR(SESS.MACHINE, 1, 15) "MACHINE NAME"
         ,STATUS
         ,UPPER(
            DECODE(NVL(COMMAND, 0)
                  ,0, '---'
                  ,1, 'CREATE TABLE'
                  ,2, 'INSERT -'
                  ,3, 'SELECT -'
                  ,4, 'CREATE CLUST'
                  ,5, 'ALTER CLUST'
                  ,6, 'UPDATE -'
                  ,7, 'DELETE -'
                  ,8, 'DROP -'
                  ,9, 'CREATE INDEX'
                  ,10, 'DROP INDEX'
                  ,11, 'ALTER INDEX'
                  ,12, 'DROP TABLE'
                  ,13, 'CREATE SEQ'
                  ,14, 'ALTER SEQ'
                  ,15, 'ALTER TABLE'
                  ,16, 'DROP SEQ'
                  ,17, 'GRANT'
                  ,18, 'REVOKE'
                  ,19, 'CREATE SYN'
                  ,20, 'DROP SYN'
                  ,21, 'CREATE VIEW'
                  ,22, 'DROP VIEW'
                  ,23, 'VALIDATE IX'
                  ,24, 'CREATE PROC'
                  ,25, 'ALTER PROC'
                  ,26, 'LOCK TABLE'
                  ,27, 'NO OPERATION'
                  ,28, 'RENAME'
                  ,29, 'COMMENT'
                  ,30, 'AUDIT'
                  ,31, 'NOAUDIT'
                  ,32, 'CREATE DBLINK'
                  ,33, 'DROP DB LINK'
                  ,34, 'CREATE DATABASE'
                  ,35, 'ALTER DATABASE'
                  ,36, 'CREATE RBS'
                  ,37, 'ALTER RBS'
                  ,38, 'DROP RBS'
                  ,39, 'CREATE TABLESPACE'
                  ,40, 'ALTER TABLESPACE'
                  ,41, 'DROP TABLESPACE'
                  ,42, 'ALTER SESSION'
                  ,43, 'ALTER USER'
                  ,44, 'COMMIT'
                  ,45, 'ROLLBACK'
                  ,47, 'PL/SQL EXEC'
                  ,48, 'SET TRANSACTION'
                  ,49, 'SWITCH LOG'
                  ,50, 'EXPLAIN'
                  ,51, 'CREATE USER'
                  ,52, 'CREATE ROLE'
                  ,53, 'DROP USER'
                  ,54, 'DROP ROLE'
                  ,55, 'SET ROLE'
                  ,56, 'CREATE SCHEMA'
                  ,58, 'ALTER TRACING'
                  ,59, 'CREATE TRIGGER'
                  ,61, 'DROP TRIGGER'
                  ,62, 'ANALYZE TABLE'
                  ,63, 'ANALYZE INDEX'
                  ,69, 'DROP PROCEDURE'
                  ,71, 'CREATE SNAP LOG'
                  ,72, 'ALTER SNAP LOG'
                  ,73, 'DROP SNAP LOG'
                  ,74, 'CREATE SNAPSHOT'
                  ,75, 'ALTER SNAPSHOT'
                  ,76, 'DROP SNAPSHOT'
                  ,85, 'TRUNCATE TABLE'
                  ,88, 'ALTER VIEW'
                  ,91, 'CREATE FUNCTION'
                  ,92, 'ALTER FUNCTION'
                  ,93, 'DROP FUNCTION'
                  ,94, 'CREATE PACKAGE'
                  ,95, 'ALTER PACKAGE'
                  ,96, 'DROP PACKAGE'
                  ,46, 'SAVEPOINT'
                  )
          )
            COMMAND
         ,SESS.PROCESS "C.PROC"
         ,PROC.SPID "S.PROC"
         ,TO_CHAR(SESS.LOGON_TIME, 'YYYY-MM-DD HH24:MI')

 FROM V$SESSION SESS
    , V$SESSTAT STAT
    , V$STATNAME NAME
    , V$PROCESS PROC
WHERE SESS.SID = STAT.SID AND STAT.STATISTIC# = NAME.STATISTIC# AND SESS.USERNAME IS NOT NULL AND NAME.NAME = 'RECURSIVE CALLS' AND SESS.PADDR = PROC.ADDR ORDER BY 3, 1, 2;

4.6 사용자 session 2시간 이상 idle 상태가 지속되는 session kill[편집]

V$SESSION
V$PROCESS

SET PAGESIZE 0 SPOOL KILLIDLE3.SQL

SELECT DISTINCT '!KILL -9 ' || B.SPID, 'ALTER SYSTEM KILL SESSION '''|| A.SID || ',' || A.SERIAL# || ''';' 
  FROM V$SESSION A
     , V$PROCESS B
 WHERE A.PADDR IN (SELECT S.PADDR
                     FROM V$SESSION S
                    WHERE STATUS = 'INACTIVE'
                    GROUP BY  S.PADDR
                   HAVING MIN(ROUND(LAST_CALL_ET / 60)) > 120)
   AND A.PADDR = B.ADDR 
   AND A.STATUS = 'INACTIVE';

SPOOL OFF

4.7 Oracle Process의 정보[편집]

V$SESSION
V$PROCESS
SYS.V_$SESS_IO

SELECT S.STATUS "STATUS"
         ,S.SERIAL# "SERIAL#"
         ,S.TYPE "TYPE"
         ,S.USERNAME "DB USER"
         ,S.OSUSER "CLIENT USER"
         ,S.SERVER "SERVER"
         ,S.MACHINE "MACHINE"
         ,S.MODULE "MODULE"
         ,S.TERMINAL "TERMINAL"
         ,S.PROGRAM "PROGRAM"
         ,P.PROGRAM "O.S. PROGRAM"
         ,S.LOGON_TIME "CONNECT TIME"
         ,LOCKWAIT "LOCK WAIT"
         ,SI.PHYSICAL_READS "PHYSICAL READS"
         ,SI.BLOCK_GETS "BLOCK GETS"
         ,SI.CONSISTENT_GETS "CONSISTENT GETS"
         ,SI.BLOCK_CHANGES "BLOCK CHANGES"
         ,SI.CONSISTENT_CHANGES "CONSISTENT CHANGES"
         ,S.PROCESS "PROCESS"
         ,P.SPID
         ,P.PID
         ,S.SERIAL#
         ,SI.SID
         ,S.SQL_ADDRESS "ADDRESS"
         ,S.SQL_HASH_VALUE "SQL HASH"
         ,S.ACTION
  FROM V$SESSION S
     , V$PROCESS P
     , SYS.V_$SESS_IO SI
WHERE S.PADDR = P.ADDR(+)
  AND SI.SID(+) = S.SID 
  AND S.USERNAME IS NOT NULL 
  AND NVL(S.OSUSER, 'X') <> 'SYSTEM' 
  AND S.TYPE <> 'BACKGROUND' 
ORDER BY 3;

4.8 오브젝트에 접속되어 있는 프로그램 조회[편집]

V$SESSION
V$ACCESS

SELECT SUBSTR(B.OBJECT, 1, 15) AS OBJECT, SUBSTR(A.PROGRAM, 1, 15) AS PROGRAM, COUNT(*) AS CNT 
  FROM V$SESSION A
      ,V$ACCESS B
WHERE A.SID = B.SID 
  AND B.OWNER NOT IN ('SYS') 
  AND A.TYPE!= 'BACKGROUND' 
  AND B.OBJECT LIKE UPPER('&OBJECT_NAME') || '%' GROUP BY B.OBJECT, SUBSTR(A.PROGRAM, 1, 15);

4.9 롤백 세그먼트 경합 조회[편집]

V$ROLLSTAT
V$ROLLNAME

SELECT NAME T0
     , GETS T1         ,WAITS T2
     , TO_CHAR(TRUNC(WAITS / GETS * 100, 2), 099.99) || '%' T3
     , TO_CHAR(ROUND(RSSIZE / 1024)) T4
     , SHRINKS T5
     , EXTENDS T6
  FROM V$ROLLSTAT
     , V$ROLLNAME
WHERE V$ROLLSTAT.USN = V$ROLLNAME.USN;

4.10 CPU를 많이 사용하는 세션의 식별[편집]

V$SESSTAT
V$STATNAME
V$SESSION

SELECT A.SID
     , C.SERIAL#
     , A.VALUE
     , C.USERNAME
     , C.STATUS
     , C.PROGRAM
  FROM V$SESSTAT A
     , V$STATNAME B
     , V$SESSION C
WHERE A.STATISTIC# = B.STATISTIC# 
  AND A.SID = C.SID 
  AND B.NAME = 'CPU used by this session' 
  AND A.VALUE > 0 ORDER BY A.VALUE DESC;

4.11 Disk Read 가 많은 SQL문 찾기[편집]

V$SQLAREA

SELECT DISK_READS, SQL_TEXT 
  FROM V$SQLAREA 
 WHERE DISK_READS > 100 
ORDER BY DISK_READS DESC;

4.12 Rollback Segment를 사용하고 있는 SQL문 조회[편집]

V$ROLLNAME
V$ROLLSTAT
V$SESSION
V$SQLTEXT
V$TRANSACTION

SELECT A.NAME
     , B.XACTS
     , C.SID
     , C.SERIAL#
     , C.USERNAME
     , D.SQL_TEXT
  FROM V$ROLLNAME A
     , V$ROLLSTAT B
     , V$SESSION C
     , V$SQLTEXT D
     , V$TRANSACTION E
 WHERE A.USN = B.USN 
   AND B.USN = E.XIDUSN 
   AND C.TADDR = E.ADDR 
   AND C.SQL_ADDRESS = D.ADDRESS 
   AND C.SQL_HASH_VALUE = D.HASH_VALUE 
ORDER BY A.NAME, C.SID, D.PIECE;

4.13 오래도록 수행되는 Full Table Scan를 모니터링[편집]

V$SESSION_LONGOPS

SELECT SID
     , SERIAL#
     , OPNAME
     , TO_CHAR(START_TIME, 'HH24:MI:SS') AS "START"
     , (SOFAR / TOTALWORK) * 100 AS "PERCENT_COMPLETE"
  FROM V$SESSION_LONGOPS;

4.14 System 테이블스페이스에 비시스템 세그먼트 조회[편집]

DBA_SEGMENTS

SELECT OWNER
     , SEGMENT_NAME
     , SEGMENT_TYPE
     , TABLESPACE_NAME
  FROM DBA_SEGMENTS 
 WHERE OWNER NOT IN ('SYS', 'SYSTEM') 
   AND TABLESPACE_NAME = 'SYSTEM';

4.15 인덱스의 Delete Space 조회[편집]

INDEX_STATS

--Delete Space% 값이 20% 가 넘으면, 그 인덱스는 다시 작성하는 것이 좋다.
SELECT NAME
     , LF_ROWS
     , DEL_LF_ROWS
     , (DEL_LF_ROWS / LF_ROWS) * 100 AS "DELETE SPACE%"
  FROM INDEX_STATS WHERE NAME = UPPER('&INDEX_NAME');

4.16 딕셔너리/뷰 정보 조회[편집]

DICTIONARY
DICT_COLUMNS

SELECT A.TABLE_NAME
     , B.COLUMN_NAME
  FROM DICTIONARY A
     , DICT_COLUMNS B
 WHERE A.TABLE_NAME = B.TABLE_NAME;

5 프로시져/패키지[편집]

5.1 패키지 검색 1 - 특정 오라클 사용자 중에서 패키지 소스와 일치하는 텍스트를 조회[편집]

-- 오라클 사용자에서 사용하는 패키지를 보여는 방법

----
:IN_OWNER: 오라클 사용자

----
:IN_OBJECT_NAME: 패키지 이름
SELECT OBJECT_NAME 
  FROM DBA_OBJECTS 
 WHERE OWNER =:IN_OWNER 
   AND OBJECT_NAME LIKE '%' ||:IN_OBJECT_NAME || '%' 
   AND OBJECT_TYPE = 'PACKAGE';

-- 오라클 사용자의 패키지 중에서 텍스트 내용을 검색하여 패키지 정보를 추출

IN_OWNER: 오라클 사용자

IN_TEXT : 패키지소 스에서 검색할 텍스트

SELECT NAME -- 패키지 이름 , LINE -- 라인 수 , TEXT -- 패키지 BODY에 수정된 내용 FROM DBA_SOURCE WHERE OWNER =:IN_OWNER AND TEXT LIKE '%' ||:IN_TEXT || '%';

5.2 특정 사용자의 패키지 내에서 주석처리가 되지 않은 항목을 조회[편집]

   오라클 사용자가 사용하는 패키지의 BODY 소스를 검색하여
   주식이 없거나 패턴이 맞지 않는 항목을 조회 한다.

SELECT * FROM DBA_OBJECTS B WHERE B.OWNER =:IN_OWNER AND B.OBJECT_TYPE = 'PACKAGE BODY' AND B.STATUS <> 'INVALID' -- VALID 상태만 조회, 만약 INVALID 된다고 해도 패키지를 수행하는 순간 컴파일 됨. AND NOT EXISTS

            (SELECT    1
             FROM      DBA_SOURCE A
             WHERE     A.OWNER = B.OWNER
             AND       A.TYPE = B.OBJECT_TYPE
             AND       A.NAME = B.OBJECT_NAME
             AND       A.LINE <= 5
             AND       A.TEXT LIKE '%NAME%');

5.3 다중 UPDATE 쿼리[편집]

/*

   BYPASS_UJVC 힌트를 이용하면 특정 뷰를 만들어서 컬럼 대 컬럼을 대입 할 수 있습니다.
    
   아래 쿼리는 메타정보관리용 유저로서 코멘트의 내용 중에서 정규표현식을 이용하여 관련 데이터를 조작 하는 방법 입니다.

*/ 

UPDATE /*+ BYPASS_UJVC */

      (   SELECT    X.*
                   ,CASE
                      WHEN UNIT_INSTR > 0 THEN SUBSTR(X.COLUMN_DESC, X.UNIT_INSTR + 3, 1)
                    END
                      B_UNIT
          FROM      (SELECT    A.SERVER
                              ,A.OWNER
                              ,A.TABLE_NAME
                              ,A.COLUMN_NAME
                              ,A.COLUMN_DESC
                              ,A.GRP_CD A_GRP_CD
                              ,A.UNIT A_UNIT
                              ,REGEXP_INSTR(COLUMN_DESC, '단위\:') UNIT_INSTR                     FROM      DBA_MYCOL A                     WHERE     A.SERVER =:IN_SERVER                     AND       A.OWNER =:IN_OWNER
                     AND       A.TABLE_NAME =:IN_TABLE_NAME) X)

SET A_UNIT = B_UNIT

          UPDATE_DT = SYSDATE;

5.4 CPU를 많이 사용하는 세션의 식별(SQL TEXT 조회)[편집]

SELECT A.*

         ,(SELECT   SS.SQL_TEXT
           FROM     V$SQLAREA SS
           WHERE    SS.ADDRESS = A.SQL_ADDRESS
           AND      ROWNUM <= 1
          ) AS SQL_TEST

FROM (

          SELECT    A.SID
                   ,C.SERIAL#
                   ,A.VALUE
                   ,C.USERNAME
                   ,C.STATUS
                   ,C.PROGRAM
                   ,C.SQL_ADDRESS
                   ,ROW_NUMBER() OVER (ORDER BY A.VALUE DESC) RN
          FROM      V$SESSTAT A
                   ,V$STATNAME B
                   ,V$SESSION C
          WHERE     A.STATISTIC# = B.STATISTIC#
          AND       A.SID = C.SID
          AND       B.NAME = 'CPU used by this session'
          AND       A.VALUE > 0
          AND       C.STATUS = 'ACTIVE'
          AND       C.USERNAME IS NOT NULL
          ) A

WHERE A.RN <= 10;

5.5 현재 세션에서 10초이상 걸리는 쿼리 조회 (SELECT절)[편집]

SELECT ABS(SYSDATE - A.LAST_LOAD_TIME) * 24 * 60 * 60 AS SEC_TIEM, A.* 
  FROM V$SQLAREA A
     , V$SESSION B
 WHERE A.SQL_TEXT LIKE '%SELECT%' 
   AND A.ADDRESS = B.SQL_ADDRESS 
   AND B.STATUS = 'ACTIVE' 
   AND A.ELAPSED_TIME >= 10 * 1000000  -- 실행계획에서 10초 이상 걸리는 쿼리를 조회(실제 걸리는 시간은 아님.) 
   AND A.PARSING_SCHEMA_NAME NOT IN ('SYS', 'SYSTEM', 'SYSMAN') 
   AND B.USERNAME IS NOT NULL;

5.6 현재 세션에서 PGA, UGA, CPU 사용량 세션별로 조회하는 쿼리[편집]

SELECT B.USERNAME
         ,A.SID
         ,A.PGA_USAGE
         ,A.UGA_USAGE
         ,A.CPU_USAGE_SECONDS
         ,B.MACHINE
         ,B.PROGRAM
         ,B.MODULE
FROM (SELECT B.SID
                    ,MAX(DECODE(C.NAME, 'session pga memory', TRUNC(B.VALUE / 1024 / 1024) || 'MB', 0)) AS PGA_USAGE
                    ,MAX(DECODE(C.NAME, 'session uga memory', TRUNC(B.VALUE / 1024 / 1024) || 'MB', 0)) AS UGA_USAGE
                    ,MAX(DECODE(C.NAME, 'CPU used by this session', (B.VALUE / 100) || ' Sec', 0)) AS CPU_USAGE_SECONDS
           FROM      V$SESSTAT B
                    ,V$STATNAME C
           WHERE     B.STATISTIC# = C.STATISTIC#
           GROUP BY  B.SID) A
         ,V$SESSION B
WHERE B.SID = A.SID AND B.STATUS = 'ACTIVE' AND B.USERNAME IS NOT NULL;

5.7 상호 DB간에 컬럼 이름 비교[편집]

/*
   양쪽 DB에서 사용하는 테이블 중에서 컬럼 이름 다른 항목을 찾는다.
*/ 

SELECT A.TABLE_NAME
      ,A.COLUMN_NAME
      ,A.COLUMN_ID
      ,A.DATA_TYPE || '(' || A.DATA_LENGTH || ')' DATA_TYPE
FROM USER_TAB_COLUMNS@LINK_ESTDB A WHERE A.TABLE_NAME =:IN_TABLE_NAME AND NOT EXISTS
            (SELECT    'X'
             FROM      USER_TAB_COLUMNS B
             WHERE     B.TABLE_NAME = A.TABLE_NAME
             AND       B.COLUMN_NAME = A.COLUMN_NAME);

SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID 
  FROM USER_TAB_COLUMNS@LINK_ESTDB A 
 WHERE A.TABLE_NAME =:IN_TABLE_NAME 
 MINUS 
SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID 
  FROM USER_TAB_COLUMNS A 
 WHERE A.TABLE_NAME =:IN_TABLE_NAME

5.8 DB Link 보기[편집]

SELECT SUBSTRB (U.NAME, 1, 10)                            AS OWNER
     , SUBSTRB (L.NAME, 1, 20)                            AS DB_LINK
     , SUBSTRB (L.HOST, 1, 10)                            AS HOST
     , SUBSTRB (L.USERID || '/' || L.PASSWORD, 1, 15)     AS USERPASS
  FROM SYS.LINK$ L, SYS.USER$ U
 WHERE L.OWNER# = U.USER#;

5.9 View의 정의 내역 보기[편집]

SET LONG 100000

SELECT TEXT FROM USER_VIEWS WHERE VIEW_NAME LIKE UPPER('&뷰_이름');

5.10 동일(중복) 자료 삭제 방법[편집]

ROW_NUMBER() 이용

DELETE FROM 테이블명
	WHERE ROWID IN (
		SELECT ROWID 
		  FROM (
		    	SELECT * 
		    	  FROM (
		    	    	SELECT ROW_NUMBER() OVER(PARTITION BY 컬럼명 ORDER BY 컬럼명) AS num
		    		      FROM 테이블명
		    	       )
		 WHERE num > 1 --  num의 값이 1초과인 데이터들만 삭제
	)
);

MIN(ROWID) 보다 큰건은 삭제(신규 추가된건 삭제)

DELETE FROM 테이블명 A
 WHERE ROWID > (SELECT MIN(ROWID) FROM 테이블명 B
                 WHERE A.컬럼 = B.컬럼
               );

MAX(ROWID) 보다 작은건 삭제 (처음 추가된건 제)

DELETE FROM 테이블명 A
 WHERE ROWID < (SELECT MAX(ROWID) FROM 테이블명 B
                 WHERE A.컬럼 = B.컬럼);

원본 주소 "http://dbcafe.co.kr/wiki/index.php?title=SQL_모음&oldid=8168"

@@ 1번째 줄: / 1번째 줄: @@
-__TOC__
+= 인덱스 정보=
-.테이블 스페이스
-----
-#
-## 테이블스페이스별 파일 목록을 보기
-<source lang="sql">
-SELECT SUBSTRB(TABLESPACE_NAME, 1, 10) AS "테이블스페이스"
-         ,SUBSTRB(FILE_NAME, 1, 50) AS "파일명"
-         ,TO_CHAR(BLOCKS, '999,999,990') AS "블럭수"
-         ,TO_CHAR(BYTES, '99,999,999') AS "크기"
-FROM DBA_DATA_FILES ORDER BY TABLESPACE_NAME, FILE_NAME; ```
-#
-## 테이블스페이스별 정보 보기
-<source lang="sql">
-SELECT A.TABLESPACE_NAME AS "TABLESPACE"
-         ,A.INITIAL_EXTENT / 1024 AS "INIT(K)"
-         ,A.NEXT_EXTENT / 1024 AS "NEXT(K)"
-         ,A.MIN_EXTENTS AS "MIN"
-         ,A.MAX_EXTENTS AS "MAX"
-         ,A.PCT_INCREASE AS "PCT_INC(%)"
-         ,B.FILE_NAME AS "FILE_NAME"
-         ,B.BLOCKS * C.VALUE / 1024 / 1024 AS "SIZE(M)"
-         ,B.STATUS AS "STATUS"
-FROM DBA_TABLESPACES A
-         ,DBA_DATA_FILES B
-         ,V$PARAMETER C
-WHERE A.TABLESPACE_NAME = B.TABLESPACE_NAME AND C.NAME = 'db_block_size' ORDER BY 1, 2; </source>
-#
-## 테이블스페이스별 사용하는 파일의 크기 합 보기
-&nbsp;
-<source lang="sql"> SELECT SUBSTRB(TABLESPACE_NAME, 1, 10) AS TABLESPACE
-         ,TO_CHAR(SUM(BYTES), '9,999,999,999,990') AS BYTES
-         ,TO_CHAR(SUM(BLOCKS), '9,999,999,990') AS BLOCKS
-FROM DBA_DATA_FILES GROUP BY TABLESPACE_NAME UNION ALL SELECT '총계', TO_CHAR(SUM(BYTES), '9,999,999,999,990') AS BYTES, TO_CHAR(SUM(BLOCKS), '9,999,999,990') AS BLOCKS FROM DBA_DATA_FILES; </source>
-#
-## 테이블스페이스별 디스크 사용량 보기
-&nbsp;
-<source lang="sql"> SELECT A.TABLESPACE_NAME AS "TABLESPACE"
-         ,A.INIT AS "INIT(K)"
-         ,A.NEXT AS "NEXT(K)"
-         ,A.MIN AS "MIN"
-         ,A.MAX AS "MAX"
-         ,A.PCT_INC AS "PCT_INC(%)"
-         ,TO_CHAR(B.TOTAL, '999,999,999,990') AS "총량(바이트)"
-         ,TO_CHAR(C.FREE, '999,999,999,990') AS "남은량(바이트)"
-         ,TO_CHAR(B.BLOCKS, '9,999,990') AS "총블럭"
-         ,TO_CHAR(D.BLOCKS, '9,999,990') AS "사용블럭"
-         ,TO_CHAR(100 * NVL(D.BLOCKS, 0) / B.BLOCKS, '999.99') AS "사용율%"
-FROM (SELECT TABLESPACE_NAME
-                    ,INITIAL_EXTENT / 1024 AS INIT
-                    ,NEXT_EXTENT / 1024 AS NEXT
-                    ,MIN_EXTENTS AS MIN
-                    ,MAX_EXTENTS AS MAX
-                    ,PCT_INCREASE AS PCT_INC
-           FROM      DBA_TABLESPACES) A
-         ,(SELECT    TABLESPACE_NAME, SUM(BYTES) AS TOTAL, SUM(BLOCKS) AS BLOCKS
-           FROM      DBA_DATA_FILES
-           GROUP BY  TABLESPACE_NAME) B
-         ,(SELECT    TABLESPACE_NAME, SUM(BYTES) AS FREE
-           FROM      DBA_FREE_SPACE
-           GROUP BY  TABLESPACE_NAME) C
-         ,(SELECT    TABLESPACE_NAME, SUM(BLOCKS) AS BLOCKS
-           FROM      DBA_EXTENTS
-           GROUP BY  TABLESPACE_NAME) D
-WHERE A.TABLESPACE_NAME = B.TABLESPACE_NAME(+) AND A.TABLESPACE_NAME = C.TABLESPACE_NAME(+) AND A.TABLESPACE_NAME = D.TABLESPACE_NAME(+) ORDER BY A.TABLESPACE_NAME; </source>
-#
-## 테이블스페이스의 테이블 명 보기
-&nbsp;
-<source lang="sql"> SELECT TABLESPACE_NAME, TABLE_NAME FROM USER_TABLES WHERE TABLESPACE_NAME = UPPER('&테이블스페이스명') ORDER BY TABLESPACE_NAME, TABLE_NAME; </source>
-#
-## 공간의 90% 이상을 사용하고 있는 Tablespace
-&nbsp;
-<source lang="sql"> SELECT X.TABLESPACE_NAME
-         ,TOTAL_SIZE / 1024 / 1024 TOTAL_SIZE
-         ,USED_SIZE / 1024 / 1024 USED_SIZE
-         ,(ROUND(USED_SIZE / TOTAL_SIZE, 2)) * 100 USED_RATIO
-FROM (SELECT TABLESPACE_NAME, SUM(BYTES) TOTAL_SIZE
-           FROM      DBA_DATA_FILES
-           GROUP BY  TABLESPACE_NAME) X
-         ,(SELECT    TABLESPACE_NAME, SUM(BYTES) USED_SIZE
-           FROM      DBA_EXTENTS
-           GROUP BY  TABLESPACE_NAME) Y
-WHERE X.TABLESPACE_NAME = Y.TABLESPACE_NAME(+) AND Y.USED_SIZE > .9 * X.TOTAL_SIZE; </source>
-#
-## Object별 테이블스페이스 및 데이터파일
-&nbsp;
-<source lang="sql">
- SELECT    DISTINCT E.SEGMENT_NAME, E.TABLESPACE_NAME, F.FILE_NAME
-FROM DBA_EXTENTS E
-         ,DBA_DATA_FILES F
-WHERE E.FILE_ID = F.FILE_ID AND E.SEGMENT_TYPE = 'TABLE' AND E.TABLESPACE_NAME NOT IN ('SYSTEM', 'TOOLS'); </source>
-#
-## Tablespace별 Table, Index 개수
-&nbsp;
-<source lang="sql">
-SELECT OWNER
-         ,TABLESPACE_NAME
-         ,SUM(DECODE(SEGMENT_TYPE, 'TABLE', 1, 0))
-         ,SUM(DECODE(SEGMENT_TYPE, 'INDEX', 1, 0))
-FROM DBA_SEGMENTS WHERE SEGMENT_TYPE IN ('TABLE', 'INDEX') GROUP BY OWNER, TABLESPACE_NAME; </source>
-#
-## 위치별 space를 아는 방법
-&nbsp;
-<source lang="sql">
-SELECT SUBSTRB(A.FILE_NAME, 1, 40) AS FILE_NAME
-         ,A.FILE_ID
-         ,B.FREE_BYTES / 1024 AS FREE_BYTES
-         ,B.MAX_BYTES / 1024 AS MAX_BYTES
-FROM DBA_DATA_FILES A
-         ,(SELECT    FILE_ID, SUM(BYTES) AS FREE_BYTES, MAX(BYTES) AS MAX_BYTES
-           FROM      DBA_FREE_SPACE
-           GROUP BY  FILE_ID) B
-WHERE A.FILE_ID = B.FILE_ID AND A.TABLESPACE_NAME = UPPER('&테이블스페이스명') ORDER BY A.FILE_NAME; </source>
-#
-## 현재 Extension 횟수가 MaxExtents의 80% 이상인 경우
-&nbsp;
-<source lang="sql"> SELECT TABLESPACE_NAME
-         ,OWNER
-         ,SEGMENT_NAME
-         ,SEGMENT_TYPE
-         ,EXTENTS
-         ,MAX_EXTENTS
-FROM SYS.DBA_SEGMENTS S WHERE EXTENTS / MAX_EXTENTS > .8 AND MAX_EXTENTS > 0 ORDER BY TABLESPACE_NAME, OWNER, SEGMENT_NAME; </source>
-#
+== INDEX 보기   ==
-## 테이블의 익스텐트 정보 조회
+* USER_INDEXES
+* USER_IND_COLUMNS
-&nbsp;
-<source lang="sql">
-/*
-    오라클에서 스토리지 구조는 아래와 같다.
-    테이블 스페이스 -> 세그먼트 -> 익스텐트 -> 블록 -> OS 범위 -> 데이터 파일 -> 운영체제 블록
-    세그먼트의 이름,
-    해당 세그먼트의 최대 익스텐트 개수,
-    익스텐트 아이디
-    해당 세그먼트의 최대 익스텐트 개수 - 최대 익스텐트 아이디
-    딕셔너리 관리 테이블스페이스로 생성한 것으로 조회를 한다.
-*/
-SELECT B.SEGMENT_NAME
-         ,B.MAX_EXTENTS
-         ,MAX(C.EXTENT_ID) AS EXTENT_ID
-         ,B.MAX_EXTENTS - MAX(C.EXTENT_ID) AS DIFF
-FROM USER_TABLESPACES A
-         ,USER_SEGMENTS B
-         ,USER_EXTENTS C
-WHERE A.EXTENT_MANAGEMENT = 'DICTIONARY' AND B.TABLESPACE_NAME = A.TABLESPACE_NAME AND C.SEGMENT_NAME = B.SEGMENT_NAME GROUP BY B.SEGMENT_NAME, B.MAX_EXTENTS HAVING B.MAX_EXTENTS - MAX(C.EXTENT_ID) <= 50 ORDER BY B.MAX_EXTENTS - MAX(C.EXTENT_ID); </source>
-&nbsp;
-#
-## ROLLBACK SEGMENT의 사용상황 보기
-&nbsp;
-<source lang="sql">
---: EXTENTS = 현재 할당된 EXTENT의 수 --: EXTENDS = 마지막 트랜잭션에 의해 할당된 EXTENT의 수
-SELECT SUBSTRB(A.SEGMENT_NAME, 1, 10) AS SEGMENT_NAME
-         ,SUBSTRB(A.TABLESPACE_NAME, 1, 10) AS TABLESPACE_NAME
-         ,TO_CHAR(A.SEGMENT_ID, '99,999') AS SEG_ID
-         ,TO_CHAR(A.MAX_EXTENTS, '999,999') AS MAX_EXT
-         ,TO_CHAR(B.EXTENTS, '999,999') AS EXTENTS
-         ,TO_CHAR(B.EXTENDS, '999,999') AS EXTENDS
-         ,TO_CHAR((A.INITIAL_EXTENT + (B.EXTENTS - 1) * A.NEXT_EXTENT) / 1000000, '9,999.999') AS "ALLOC(MB)"
-         ,TO_CHAR(XACTS, '9,999') AS XACTS
-FROM DBA_ROLLBACK_SEGS A
-         ,V$ROLLSTAT B
-WHERE A.SEGMENT_ID = B.USN(+) ORDER BY 1; </source>
-&nbsp;
-#2.인덱스 정보
-#
-##13 INDEX 보기
-&nbsp;
 <source lang="sql">
 SELECT A.INDEX_NAME
+     , A.UNIQUENESS
+     , TO_CHAR(COLUMN_POSITION, '999') AS POS
+     , SUBSTRB(COLUMN_NAME, 1, 33) AS COLUMN_NAME
+  FROM USER_INDEXES A
+     , USER_IND_COLUMNS B
+ WHERE A.INDEX_NAME = B.INDEX_NAME
+   AND A.TABLE_OWNER = UPPER('E_LUCIS')
+   AND A.TABLE_NAME = UPPER('&테이블명') ORDER BY 1, 3;
+</source>
-         ,A.UNIQUENESS
+== 전체 INDEX 보기   ==
-         ,TO_CHAR(COLUMN_POSITION, '999') AS POS
+* DBA_INDEXES
-         ,SUBSTRB(COLUMN_NAME, 1, 33) AS COLUMN_NAME
+* DBA_IND_COLUMNS
-FROM USER_INDEXES A
-         ,USER_IND_COLUMNS B
-WHERE A.INDEX_NAME = B.INDEX_NAME AND A.TABLE_OWNER = UPPER('E_LUCIS') AND A.TABLE_NAME = UPPER('&테이블명') ORDER BY 1, 3; </source>
-#
-##14 전체 INDEX 보기
-&nbsp;
 <source lang="sql">
 SELECT SUBSTRB(A.TABLE_NAME, 1, 22) AS TABLE_NAME
+     , SUBSTRB(A.INDEX_NAME, 1, 23) AS INDEX_NAME
+     , SUBSTRB(A.UNIQUENESS, 1, 7) AS UNIQUE
+     , TO_CHAR(COLUMN_POSITION, '999') AS POS
+     , SUBSTRB(COLUMN_NAME, 1, 20) AS COLUMN_NAME
+  FROM DBA_INDEXES A
+     , DBA_IND_COLUMNS B
+ WHERE A.INDEX_NAME = B.INDEX_NAME
+   AND A.TABLE_OWNER = B.TABLE_OWNER
+   AND A.TABLE_OWNER = 'E_LUCIS'
+ ORDER BY 1, 2, 3;
+</source>
-         ,SUBSTRB(A.INDEX_NAME, 1, 23) AS INDEX_NAME
+== 특정 테이블의 인덱스 확인   ==
-         ,SUBSTRB(A.UNIQUENESS, 1, 7) AS UNIQUE
+* ALL_IND_COLUMNS
-         ,TO_CHAR(COLUMN_POSITION, '999') AS POS
-         ,SUBSTRB(COLUMN_NAME, 1, 20) AS COLUMN_NAME
-FROM DBA_INDEXES A
-         ,DBA_IND_COLUMNS B
-WHERE A.INDEX_NAME = B.INDEX_NAME AND A.TABLE_OWNER = B.TABLE_OWNER AND A.TABLE_OWNER = 'E_LUCIS' ORDER BY 1, 2, 3; </source>
-#
-##15 특정 테이블의 인덱스 확인
-&nbsp;
 <source lang="sql">
+/* 인덱스를 확인 하고자 할때 사용하는 쿼리 */
-/*
-   인덱스를 확인 하고자 할때 사용하는 쿼리
-*/
 SELECT C.TABLE_NAME
+     , C.INDEX_NAME
+     , C.COLUMN_NAME
+     , C.COLUMN_POSITION
+     , T.NUM_ROWS
+  FROM ALL_IND_COLUMNS C
+     , (SELECT TABLE_NAME, NUM_ROWS
+          FROM ALL_TABLES
+         WHERE OWNER = 'ESTDBA'
+           AND TABLE_NAME IN (SELECT TABLE_NAME
+                                FROM USER_TABLES
+                               WHERE TABLE_NAME LIKE:IN_TABLE_NAME || '%'
+                                   )
+           AND NUM_ROWS > 0
+       ) T
+ WHERE C.TABLE_NAME = T.TABLE_NAME
+ ORDER BY T.NUM_ROWS DESC, C.TABLE_NAME, C.INDEX_NAME, C.COLUMN_POSITION;
+</source>
-         ,C.INDEX_NAME
+== 인덱스에 대한 컬럼 조회   ==
-         ,C.COLUMN_NAME
+* USER_IND_COLUMNS
-         ,C.COLUMN_POSITION
+<source lang="sql">
-         ,T.NUM_ROWS
+SELECT TABLE_NAME
+     , INDEX_NAME
+     , COLUMN_POSITION
+     , COLUMN_NAME
+  FROM USER_IND_COLUMNS
+ ORDER BY TABLE_NAME, INDEX_NAME, COLUMN_POSITION; </source>
-FROM ALL_IND_COLUMNS C
+== PRIMARY KEY 재생성 방법   ==
+<source lang="sql">
+--- PRIMARY KEY DROP
-         ,(SELECT    TABLE_NAME, NUM_ROWS
+ALTER TABLE EMP
-           FROM      ALL_TABLES
+       DROP PRIMARY KEY;
-           WHERE     OWNER = 'ESTDBA'
-           AND       TABLE_NAME IN (SELECT    TABLE_NAME
-                                    FROM      USER_TABLES
-                                    WHERE     TABLE_NAME LIKE&nbsp;:IN_TABLE_NAME || '%')
-           AND       NUM_ROWS > 0) T
-WHERE C.TABLE_NAME = T.TABLE_NAME ORDER BY T.NUM_ROWS DESC, C.TABLE_NAME, C.INDEX_NAME, C.COLUMN_POSITION; </source>
+-- PRIMARY KEY 생성
-&nbsp;
+ALTER TABLE EMP
+        ADD CONSTRAINT EMP_PK
+    PRIMARY KEY(EMPNO)
+      USING INDEX STORAGE(INITIAL 1M NEXT 1M PCTINCREASE 0)
+ TABLESPACE USERS;
-#
+</source>
-##16 인덱스에 대한 컬럼 조회
-&nbsp;
+== PRIMARY KEY를 REFERENCE 하는 FOREIGN KEY 찾기   ==
-<source lang="sql"> SELECT TABLE_NAME
+* DBA_OBJECTS
+* CDEF$
+* CON$
+<source lang="sql">
+SELECT C.NAME CONSTRAINT_NAME
+  FROM DBA_OBJECTS A
+     , CDEF$ B
+     , CON$ C
+ WHERE A.OBJECT_NAME = UPPER('&테이블명')
+   AND A.OBJECT_ID = B.ROBJ#
+   AND B.CON# = C.CON#; </source>
-         ,INDEX_NAME
+== 중복인덱스 체크   ==
-         ,COLUMN_POSITION
+* SYS.ICOL$
-         ,COLUMN_NAME
+* SYS.IND$
+* SYS.OBJ$
+* SYS.USER$
-FROM USER_IND_COLUMNS ORDER BY TABLE_NAME, INDEX_NAME, COLUMN_POSITION; </source>
+<source lang="sql">
+SELECT O1.NAME || '.' || N1.NAME     REDUNDANT_INDEX
+     , O2.NAME || '.' || N2.NAME     SUFFICIENT_INDEX
+  FROM SYS.ICOL$  IC1
+     , SYS.ICOL$  IC2
+     , SYS.IND$   I1
+     , SYS.OBJ$   N1
+     , SYS.OBJ$   N2
+     , SYS.USER$  O1
+     , SYS.USER$  O2
+ WHERE     IC1.POS# = 1
+       AND IC2.BO# = IC1.BO#
+       AND IC2.OBJ# != IC1.OBJ#
+       AND IC2.POS# = 1
+       AND IC2.INTCOL# = IC1.INTCOL#
+       AND I1.OBJ# = IC1.OBJ#
+       AND BITAND (I1.PROPERTY, 1) = 0
+       AND (SELECT MAX (POS#) * (MAX (POS#) + 1) / 2
+              FROM SYS.ICOL$
+             WHERE OBJ# = IC1.OBJ#) =
+           (SELECT SUM (XC1.POS#)
+              FROM SYS.ICOL$ XC1, SYS.ICOL$ XC2
+             WHERE     XC1.OBJ# = IC1.OBJ#
+                   AND XC2.OBJ# = IC2.OBJ#
+                   AND XC1.POS# = XC2.POS#
+                   AND XC1.INTCOL# = XC2.INTCOL#)
+       AND N1.OBJ# = IC1.OBJ#
+       AND N2.OBJ# = IC2.OBJ#
+       AND O1.USER# = N1.OWNER#
+       AND O2.USER# = N2.OWNER#;
+</source>
+또는
+<source lang=sql>
-#
+select /*+ rule */
-##17 PRIMARY KEY 재생성 방법
+   a.table_owner,
+   a.table_name,
+   a.index_owner,
+   a.index_name,
+   column_name_list,
+   column_name_list_dup,
+   dup duplicate_indexes,
+   i.uniqueness,
+   i.partitioned,
+   i.leaf_blocks,
+   i.distinct_keys,
+   i.num_rows,
+   i.clustering_factor
+from
+   (
+   select
+      table_owner,
+      table_name,
+      index_owner,
+      index_name,
+      column_name_list_dup,
+      dup,
+      max(dup) OVER
+       (partition by table_owner, table_name, index_name) dup_mx
+   from
+      (
+       select
+          table_owner,
+          table_name,
+          index_owner,
+          index_name,
+          substr(SYS_CONNECT_BY_PATH(column_name, ','),2)
+          column_name_list_dup,
+          dup
+       from
+          (
+          select
+            index_owner,
+            index_name,
+            table_owner,
+            table_name,
+            column_name,
+            count(1) OVER
+             (partition by
+                 index_owner,
+                 index_name) cnt,
+             ROW_NUMBER () OVER
+               (partition by
+                  index_owner,
+                  index_name
+                order by column_position) as seq,
+             count(1) OVER
+               (partition by
+                  table_owner,
+                  table_name,
+                  column_name,
+                  column_position) as dup
+   from
+      sys.dba_ind_columns
+   where
+      index_owner not in ('SYS', 'SYSTEM'))
+where
+   dup!=1
+start with seq=1
+connect by prior seq+1=seq
+and prior index_owner=index_owner
+and prior index_name=index_name
+)) a,
+(
+select
+   table_owner,
+   table_name,
+   index_owner,
+   index_name,
+   substr(SYS_CONNECT_BY_PATH(column_name, ','),2) column_name_list
+from
+(
+select index_owner, index_name, table_owner, table_name, column_name,
+count(1) OVER ( partition by index_owner, index_name) cnt,
+ROW_NUMBER () OVER ( partition by index_owner, index_name order by column_position) as seq
+from sys.dba_ind_columns
+where index_owner not in ('SYS', 'SYSTEM'))
+where seq=cnt
+start with seq=1
+connect by prior seq+1=seq
+and prior index_owner=index_owner
+and prior index_name=index_name
+) b, dba_indexes i
+where
+    a.dup=a.dup_mx
+and a.index_owner=b.index_owner
+and a.index_name=b.index_name
+and a.index_owner=i.owner
+and a.index_name=i.index_name
+order by
+   a.table_owner, a.table_name, column_name_list_dup;
+</source>
-&nbsp;
+== 테이블의 PK를 구성하는 컬럼 조회   ==
-<source lang="sql"> --- PRIMARY KEY DROP
+* USER_TABLES
+* USER_CONSTRAINTS
+* USER_CONS_COLUMNS
+<source lang="sql">
+SELECT A.TABLE_NAME, B.CONSTRAINT_NAME, C.COLUMN_NAME
+  FROM USER_TABLES A
+     , USER_CONSTRAINTS B
+     , USER_CONS_COLUMNS C
+ WHERE A.TABLE_NAME = B.TABLE_NAME
+   AND B.CONSTRAINT_NAME = C.CONSTRAINT_NAME
+   AND B.CONSTRAINT_TYPE = 'P';
+</source>
-ALTER TABLE EMP DROP PRIMARY KEY;
+== Index가 없는 Table 조회   ==
+* DBA_TABLES
+* DBA_INDEXES
+<source lang="sql">
+SELECT OWNER, TABLE_NAME
+FROM (SELECT OWNER
+           , TABLE_NAME
+        FROM DBA_TABLES
+       MINUS
+      SELECT TABLE_OWNER
+           , TABLE_NAME
+        FROM DBA_INDEXES
+     )
+ WHERE OWNER NOT IN ('SYS', 'SYSTEM') ORDER BY OWNER, TABLE_NAME;
+</source>
--- PRIMARY KEY 생성 ALTER TABLE EMP ADD CONSTRAINT EMP_PK PRIMARY KEY(EMPNO) USING INDEX STORAGE(INITIAL 1M NEXT 1M PCTINCREASE 0) TABLESPACE USERS; </source>
+= 락 정보 =
+== 테이블에 LOCK이 걸렸는지를 보기   ==
+* V$SESSION
+* V$LOCK
+* DBA_OBJECTS
+<source lang="sql">
+SELECT A.SID
+     , A.SERIAL#
+     , SUBSTRB(A.USERNAME, 1, 16) AS USERNAME
+     , SUBSTRB(A.MACHINE, 1, 30) AS MACHINE
+     , A.TERMINAL
+     , A.OSUSER
+     , A.PROGRAM
+     , SUBSTRB(TO_CHAR(A.LOGON_TIME, 'MM/DD HH24:MI:SS'), 1, 14) AS LOGON_TIME
+     , SUBSTRB(C.OBJECT_NAME, 1, 58) AS OBJECT_NAME
+  FROM V$SESSION A
+     , V$LOCK B
+     , DBA_OBJECTS C
+ WHERE A.SID = B.SID AND B.ID1 = C.OBJECT_ID
+   AND B.TYPE = 'TM'
+   AND C.OBJECT_NAME LIKE UPPER('&테이블명');
+</source>
-#
+== Lock을 잡고있는 세션과 기다리는 세션 조회   ==
-##18 PRIMARY KEY를 REFERENCE 하는 FOREIGN KEY 찾기
+* V$SESSION
+* V$LOCK
+* DBA_OBJECTS
-&nbsp;
+<source lang="sql">
-<source lang="sql"> SELECT C.NAME CONSTRAINT_NAME FROM DBA_OBJECTS A
+SELECT DECODE(B.LOCKWAIT, NULL, ' ', 'w') AS WW
+     , B.SID
-         ,CDEF$ B
+     , B.SERIAL# AS SER#
-         ,CON$ C
+     , SUBSTR(B.MACHINE, 1, 10) AS MACHINE
+     , SUBSTR(B.PROGRAM, 1, 15) AS PROGRAM
-WHERE A.OBJECT_NAME = UPPER('&테이블명') AND A.OBJECT_ID = B.ROBJ# AND B.CON# = C.CON#; </source>
+     , SUBSTR(A.OBJECT_NAME, 1, 17) AS OBJ_NAME
+     , SUBSTR(B.STATUS, 1, 1) AS S
-#
+     , DECODE(B.COMMAND,  0, NULL,  2, 'INSERT',  6, 'UPDATE',  7, 'DELETE',  B.COMMAND) AS SQLCMD
-##19 중복인덱스 체크
+     , B.PROCESS AS PGM_PSS
+   FROM V$SESSION B
-&nbsp;
+     , ( SELECT A.SID, DECODE(B.OWNER, NULL, A.TYPE || '..ing', B.OWNER || '.' || B.OBJECT_NAME) AS OBJECT_NAME
-<source lang="sql"> SELECT O1.NAME || '.' || N1.NAME REDUNDANT_INDEX, O2.NAME || '.' || N2.NAME SUFFICIENT_INDEX FROM SYS.ICOL$ IC1
+          FROM V$LOCK A
+            , DBA_OBJECTS B
-          ,SYS.ICOL$ IC2
+        WHERE  A.ID1 = B.OBJECT_ID(+)
-         ,SYS.IND$ I1
+        GROUP BY  A.SID, DECODE(B.OWNER, NULL, A.TYPE || '..ing', B.OWNER || '.' || B.OBJECT_NAME)
-         ,SYS.OBJ$ N1
+       ) A
-         ,SYS.OBJ$ N2
+ WHERE B.SID = A.SID
-         ,SYS.USER$ O1
+   AND B.TADDR IS NOT NULL;
-         ,SYS.USER$ O2
+</source>
-WHERE IC1.POS# = 1 AND IC2.BO# = IC1.BO# AND IC2.OBJ#&nbsp;!= IC1.OBJ# AND IC2.POS# = 1 AND IC2.INTCOL# = IC1.INTCOL# AND I1.OBJ# = IC1.OBJ# AND BITAND(I1.PROPERTY, 1) = 0 AND (SELECT MAX(POS#) * (MAX(POS#) + 1) / 2
-           FROM      SYS.ICOL$
-           WHERE     OBJ# = IC1.OBJ#) = (SELECT    SUM(XC1.POS#)
-                                         FROM      SYS.ICOL$ XC1
-                                                  ,SYS.ICOL$ XC2
-                                         WHERE     XC1.OBJ# = IC1.OBJ#
-                                         AND       XC2.OBJ# = IC2.OBJ#
-                                         AND       XC1.POS# = XC2.POS#
-                                         AND       XC1.INTCOL# = XC2.INTCOL#)
-AND N1.OBJ# = IC1.OBJ# AND N2.OBJ# = IC2.OBJ# AND O1.USER# = N1.OWNER# AND O2.USER# = N2.OWNER#; </source>
-#
-##20 테이블의 PK를 구성하는 컬럼 조회
-&nbsp;
+== 테이블에 걸린 비정상적 LOCK 풀기   ==
-<source lang="sql"> SELECT A.TABLE_NAME, B.CONSTRAINT_NAME, C.COLUMN_NAME FROM USER_TABLES A
-         ,USER_CONSTRAINTS B
-         ,USER_CONS_COLUMNS C
-WHERE A.TABLE_NAME = B.TABLE_NAME AND B.CONSTRAINT_NAME = C.CONSTRAINT_NAME AND B.CONSTRAINT_TYPE = 'P'; </source>
-#
-##21 Index가 없는 Table 조회
-&nbsp;
-<source lang="sql"> SELECT OWNER, TABLE_NAME FROM (SELECT OWNER, TABLE_NAME
-           FROM      DBA_TABLES
-           MINUS
-           SELECT    TABLE_OWNER, TABLE_NAME
-           FROM      DBA_INDEXES)
-WHERE OWNER NOT IN ('SYS', 'SYSTEM') ORDER BY OWNER, TABLE_NAME; </source>
-#3. 락 정보
-----
-#
-##22 테이블에 LOCK이 걸렸는지를 보기
-&nbsp;
-<source lang="sql"> SELECT A.SID
-         ,A.SERIAL#
-         ,SUBSTRB(A.USERNAME, 1, 16) AS USERNAME
-         ,SUBSTRB(A.MACHINE, 1, 30) AS MACHINE
-         ,A.TERMINAL
-         ,A.OSUSER
-         ,A.PROGRAM
-         ,SUBSTRB(TO_CHAR(A.LOGON_TIME, 'MM/DD HH24:MI:SS'), 1, 14) AS LOGON_TIME
-         ,SUBSTRB(C.OBJECT_NAME, 1, 58) AS OBJECT_NAME
-FROM V$SESSION A
-         ,V$LOCK B
-         ,DBA_OBJECTS C
-WHERE A.SID = B.SID AND B.ID1 = C.OBJECT_ID AND B.TYPE = 'TM' AND C.OBJECT_NAME LIKE UPPER('&테이블명'); </source>
-#
-##23 Lock을 잡고있는 세션과 기다리는 세션 조회
-&nbsp;
-<source lang="sql"> SELECT DECODE(B.LOCKWAIT, NULL, ' ', 'w') AS WW
-         ,B.SID
-         ,B.SERIAL# AS SER#
-         ,SUBSTR(B.MACHINE, 1, 10) AS MACHINE
-         ,SUBSTR(B.PROGRAM, 1, 15) AS PROGRAM
-         ,SUBSTR(A.OBJECT_NAME, 1, 17) AS OBJ_NAME
-         ,SUBSTR(B.STATUS, 1, 1) AS S
-         ,DECODE(B.COMMAND,  0, NULL,  2, 'INSERT',  6, 'UPDATE',  7, 'DELETE',  B.COMMAND) AS SQLCMD
-         ,B.PROCESS AS PGM_PSS
-FROM V$SESSION B
-         ,(SELECT    A.SID, DECODE(B.OWNER, NULL, A.TYPE || '..ing', B.OWNER || '.' || B.OBJECT_NAME) AS OBJECT_NAME
-           FROM      V$LOCK A
-                    ,DBA_OBJECTS B
-           WHERE     A.ID1 = B.OBJECT_ID(+)
-           GROUP BY  A.SID, DECODE(B.OWNER, NULL, A.TYPE || '..ing', B.OWNER || '.' || B.OBJECT_NAME)) A
-WHERE B.SID = A.SID AND B.TADDR IS NOT NULL; </source>
-#
-##24 테이블에 걸린 비정상적 LOCK 풀기
-&nbsp;
 <source lang="sql"> ALTER SYSTEM KILL SESSION '&SID,&SERIAL'; </source>
+* RAC
+<source lang="sql"> ALTER SYSTEM KILL SESSION '&SID,&SERIAL,@1'; </source>
-#
+== 작업 중인 데이터베이스 트랜잭션 조회   ==
-##25 작업 중인 데이터베이스 트랜잭션 조회
+* V$SESSION
+* V$TRANSACTION
+* DBA_ROLLBACK_SEGS
+<source lang="sql">
+SELECT S.SID
+     , S.SERIAL#
+     , S.STATUS
+     , S.OSUSER
+     , S.USERNAME
+     , T.STATUS
+     , T.START_TIME
+  FROM V$SESSION S
+     , V$TRANSACTION T
+     , DBA_ROLLBACK_SEGS R
+ WHERE S.TADDR = T.ADDR
+   AND T.XIDUSN = R.SEGMENT_ID;
+</source>
-&nbsp;
+== 열려 있는 커서 조회   ==
-<source lang="sql"> SELECT S.SID
+* V$SESSION
+* V$OPEN_CURSOR
-         ,S.SERIAL#
+<source lang="sql">
-         ,S.STATUS
+SELECT A.SID
-         ,S.OSUSER
+     , A.OSUSER
-         ,S.USERNAME
+     , COUNT(B.SID) AS "CURSOR"
-         ,T.STATUS
+     , A.PROGRAM
-         ,T.START_TIME
+     , A.STATUS
+  FROM V$SESSION A
-FROM V$SESSION S
+     , V$OPEN_CURSOR B
+ WHERE A.SID = B.SID(+)
-         ,V$TRANSACTION T
+ GROUP BY A.SID, A.OSUSER, A.PROGRAM, A.STATUS;
-         ,DBA_ROLLBACK_SEGS R
+</source>
-WHERE S.TADDR = T.ADDR AND T.XIDUSN = R.SEGMENT_ID; </source>
-#
-##26 열려 있는 커서 조회
-&nbsp;
-<source lang="sql"> SELECT A.SID
-         ,A.OSUSER
-         ,COUNT(B.SID) AS "CURSOR"
-         ,A.PROGRAM
-         ,A.STATUS
-FROM V$SESSION A
-         ,V$OPEN_CURSOR B
-WHERE A.SID = B.SID(+) GROUP BY A.SID, A.OSUSER, A.PROGRAM, A.STATUS; </source>
-#
-##27 잠금 발생 유형 조회
-&nbsp;
+== 잠금 발생 유형 조회   ==
+* V$LOCK
 <source lang="sql"> SELECT A.SID
@@ 548번째 줄: / 416번째 줄: @@
 </source>
-#
+== 잠금 상태 오브젝트 조회   ==
-##28 잠금 상태 오브젝트 조회
+* V$LOCKED_OBJECT
+* V$SESSION
-&nbsp;
+* DBA_OBJECT
 <source lang="sql">
 SELECT A.SESSION_ID
+     , B.SERIAL#
+     , A.OS_USER_NAME
+     , A.ORACLE_USERNAME
+     , C.OBJECT_NAME
+     , A.LOCKED_MODE
+     , A.XIDUSN
+  FROM V$LOCKED_OBJECT A
+      , V$SESSION B
+      , DBA_OBJECTS C
+ WHERE A.OBJECT_ID = C.OBJECT_ID AND A.SESSION_ID = B.SID;
+</source>
-         ,B.SERIAL#
+== 잠금 SQL 구문 조회   ==
-         ,A.OS_USER_NAME
+* V$SQLTEXT
-         ,A.ORACLE_USERNAME
+* V$SESSION
-         ,C.OBJECT_NAME
+* V$ACCESS
-         ,A.LOCKED_MODE
-         ,A.XIDUSN
-FROM V$LOCKED_OBJECT A
-         ,V$SESSION B
-         ,DBA_OBJECTS C
-WHERE A.OBJECT_ID = C.OBJECT_ID AND A.SESSION_ID = B.SID; </source>
-#
-##29 잠금 SQL 구문 조회
-&nbsp;
 <source lang="sql">
 SELECT B.USERNAME AS USERNAME
+     , C.SID AS SID
+     , C.OWNER AS OBJECT_OWNER
+     , C.OBJECT AS OBJECT
+     , B.LOCKWAIT
+     , A.PIECE
+     , A.SQL_TEXT AS SQL
+ FROM V$SQLTEXT A
+    , V$SESSION B
+    , V$ACCESS C
+WHERE A.ADDRESS = B.SQL_ADDRESS
+  AND A.HASH_VALUE = B.SQL_HASH_VALUE
+  AND B.SID = C.SID
+  AND C.OWNER!= 'SYS';
+ </source>
-         ,C.SID AS SID
+== 해당 테이블의 세션을 제거하는 쿼리   ==
-         ,C.OWNER AS OBJECT_OWNER
+* V$LOCK
-         ,C.OBJECT AS OBJECT
+* DBA_OBJECTS
-         ,B.LOCKWAIT
+* V$SESSION
-         ,A.PIECE
+<source lang="sql">
-         ,A.SQL_TEXT AS SQL
+SELECT 'ALTER SYSTEM KILL SESSION '''|| S.SID||','||S.SERIAL# ||''';'
+  FROM V$LOCK L, DBA_OBJECTS O, V$SESSION S
+ WHERE L.ID1 = O.OBJECT_ID
+   AND S.SID = L.SID
+   AND O.OWNER = 'ESTDBA'
+   AND O.OBJECT_NAME = 'TMP_GSYM2'
+</source>
-FROM V$SQLTEXT A
+== Blocking Lock Session 확인   ==
+* V$SQLTEXT
+* V$SESSION
+* V$ACCESS
+<source lang='sql'>
+SELECT B.BLOCKING_SESSION AS BLOCKING_SESSION_SID
+     , C.SID AS LOCK_SESSION_SID
+     , C.OWNER AS OBJECT_OWNER
+     , C.OBJECT AS OBJECT
+     , B.LOCKWAIT
+     , A.PIECE
+     , A.SQL_TEXT AS SQL
+  FROM V$SQLTEXT A
+     , V$SESSION B
+     , V$ACCESS C
+ WHERE A.ADDRESS = B.SQL_ADDRESS
+   AND A.HASH_VALUE = B.SQL_HASH_VALUE
+   AND B.SID = C.SID
+   AND B.BLOCKING_SESSION IS NOT NULL
+   AND C.OWNER NOT IN ('SYS', 'PUBLIC')
+   AND C.OBJECT NOT IN ('TOAD_PLAN_TABLE')
+ ORDER BY A.PIECE;
+</source>
-         ,V$SESSION B
+= 테이블 정보 =
-         ,V$ACCESS C
+== 테이블 생성일자 보기   ==
+* USER_OBJECTS
+<source lang="sql">
+SELECT SUBSTRB(OBJECT_NAME, 1, 15) AS OBJECT_NAME
+     , CREATED
+     , LAST_DDL_TIME
+     , TIMESTAMP
+     , STATUS
+  FROM USER_OBJECTS
+ WHERE OBJECT_NAME = UPPER('&테이블명')
+   AND OBJECT_TYPE = 'TABLE';
+</source>
-WHERE A.ADDRESS = B.SQL_ADDRESS AND A.HASH_VALUE = B.SQL_HASH_VALUE AND B.SID = C.SID AND C.OWNER&nbsp;!= 'SYS'; </source>
+== 테이블의 크기 및 블록 보기   ==
+* USER_SEGMENTS
+<source lang="sql">
+SELECT SUBSTR(SEGMENT_NAME, 1, 20)
+     , BYTES
+     , BLOCKS
+  FROM USER_SEGMENTS
+ WHERE SEGMENT_NAME = UPPER('&테이블명');
+</source>
-#
+== 파티션 테이블의 파티션 범위 보기   ==
-##30 해당 테이블의 세션을 제거하는 쿼리
+* USER_TAB_PARTITIONS
+<source lang="sql">
+SELECT SUBSTRB(PARTITION_NAME, 1, 30) AS PARTITION_NAME, SUBSTRB(TABLESPACE_NAME, 1, 30) AS TABLESPACE_NAME, HIGH_VALUE
+   FROM USER_TAB_PARTITIONS
+ WHERE TABLE_NAME = UPPER('&테이블명');
+</source>
-&nbsp;
+== CONSTRAINT 보기   ==
-<source lang="sql"> /*
+* DBA_CONSTRAINTS
+* DBA_CONS_COLUMNS
+<source lang="sql">
+SELECT DECODE(A.CONSTRAINT_TYPE, 'P', 'Primary Key', 'R', 'Foreign Key', 'C', 'Table Check', 'V', 'View Check', 'U', 'Unique', '?')            AS "유형"
+     , SUBSTRB(A.CONSTRAINT_NAME, 1, 25) AS CONSTRAINT_NAME
+     , B.POSITION
+     , SUBSTRB(B.COLUMN_NAME, 1, 25) AS COLUMN_NAME
+ FROM DBA_CONSTRAINTS A
+    , DBA_CONS_COLUMNS B
+WHERE A.CONSTRAINT_NAME = B.CONSTRAINT_NAME
+  AND A.OWNER = 'E_LUCIS'
+  AND A.TABLE_NAME = UPPER('&테이블명') ORDER BY 1, 2, 3;
+</source>
-   특정 테이블이 락을 발생하고 있으면 세션을 찾아서 중단시킨다.
+== 특정 테이블의 스키마 구조 확인   ==
+===  DBA 용 ===
+* DBA_TAB_COLUMNS
+* DBA_COL_COMMENTS
+* DBA_CONS_COLUMNS
+<source lang="sql">
-*/
+SELECT OWNER
+     , TABLE_NAME
+     , COLUMN_NAME
+     , PK
+     , COLUMN_NAME
+     , DATA_TYPE || '( ' || NVL(DATA_TYPE_2, DATA_LENGTH) || ' )' DATA_TYPE
+     , NULLABLE
+     , COMMENTS
+  FROM (SELECT A.OWNER
+             , A.TABLE_NAME
+             , A.COLUMN_ID
+             , B.POSITION PK
+             , A.COLUMN_NAME
+             , A.DATA_TYPE
+             , A.DATA_PRECISION || DECODE(A.DATA_SCALE, NULL, NULL, ',' || A.DATA_SCALE) DATA_TYPE_2
+             , A.DATA_LENGTH
+             , A.DATA_PRECISION
+             , A.DATA_SCALE
+             , A.NULLABLE
+             , A.COMMENTS
+             , ROW_NUMBER() OVER (PARTITION BY A.OWNER, A.TABLE_NAME, A.COLUMN_ID ORDER BY A.COLUMN_ID, B.POSITION) RN
+          FROM (SELECT COL.OWNER
+                     , COL.TABLE_NAME
+                     , COL.COLUMN_ID
+                     , COL.COLUMN_NAME
+                     , COL.DATA_TYPE
+                     , COL.DATA_LENGTH
+                     , COL.DATA_PRECISION
+                     , COL.DATA_SCALE
+                     , COL.NULLABLE
+                     , COM.COMMENTS
+                  FROM DBA_TAB_COLUMNS COL
+                     , DBA_COL_COMMENTS COM
+                 WHERE COL.COLUMN_NAME = COM.COLUMN_NAME
+                   AND COL.OWNER = COM.OWNER
+                   AND COL.TABLE_NAME = COM.TABLE_NAME
+                   AND COM.OWNER =:IN_OWNER
+                   AND COM.TABLE_NAME LIKE:IN_TABLE_NAME || '%'
+               ) A
+               , DBA_CONS_COLUMNS B
+           WHERE B.TABLE_NAME(+) = A.TABLE_NAME
+             AND B.COLUMN_NAME(+) = A.COLUMN_NAME) X
+WHERE X.RN = 1 ORDER BY X.TABLE_NAME, X.COLUMN_ID; </source>
-SELECT 'ALTER SYSTEM KILL SESSION '''|| S.SID||','||S.SERIAL# ||''';' FROM V$LOCK L, DBA_OBJECTS O, V$SESSION S WHERE L.ID1 = O.OBJECT_ID AND S.SID = L.SID AND O.OWNER = 'ESTDBA' AND O.OBJECT_NAME = 'TMP_GSYM2'
+=== 일반 사용자 용 ===
-#
+<source lang="sql">
-##31 Blocking Lock Session 확인
+   SELECT TABLE_NAME
+       , COLUMN_NAME
-<source lang='sql'> SELECT B.BLOCKING_SESSION AS BLOCKING_SESSION_SID
+       , PK
+       , COLUMN_NAME
-         ,C.SID AS LOCK_SESSION_SID
+       , DATA_TYPE || '( ' || NVL (DATA_TYPE_2, DATA_LENGTH) || ' )'    DATA_TYPE
-         ,C.OWNER AS OBJECT_OWNER
+       , NULLABLE
-         ,C.OBJECT AS OBJECT
+       , COMMENTS
-         ,B.LOCKWAIT
+    FROM (SELECT A.TABLE_NAME
-         ,A.PIECE
+               , A.COLUMN_ID
-         ,A.SQL_TEXT AS SQL
+               , B.POSITION                                                   PK
+               , A.COLUMN_NAME
-FROM V$SQLTEXT A
+               , A.DATA_TYPE
+               ,    A.DATA_PRECISION
-         ,V$SESSION B
+                 || DECODE (A.DATA_SCALE, NULL, NULL, ',' || A.DATA_SCALE)    DATA_TYPE_2
-         ,V$ACCESS C
+               , A.DATA_LENGTH
+               , A.DATA_PRECISION
-WHERE A.ADDRESS = B.SQL_ADDRESS AND A.HASH_VALUE = B.SQL_HASH_VALUE AND B.SID = C.SID AND B.BLOCKING_SESSION IS NOT NULL AND C.OWNER NOT IN ('SYS', 'PUBLIC') AND C.OBJECT NOT IN ('TOAD_PLAN_TABLE') ORDER BY A.PIECE; </source>
+               , A.DATA_SCALE
+               , A.NULLABLE
-#5. 테이블 정보
+               , A.COMMENTS
+               , ROW_NUMBER ()
-----
+                     OVER (PARTITION BY A.TABLE_NAME, A.COLUMN_ID
+                           ORDER BY A.COLUMN_ID, B.POSITION)                  RN
-#
+            FROM (SELECT COL.TABLE_NAME
-##32 테이블 생성일자 보기
+                       , COL.COLUMN_ID
+                       , COL.COLUMN_NAME
-&nbsp;
+                       , COL.DATA_TYPE
-<source lang="sql"> SELECT SUBSTRB(OBJECT_NAME, 1, 15) AS OBJECT_NAME
+                       , COL.DATA_LENGTH
+                       , COL.DATA_PRECISION
-         ,CREATED
+                       , COL.DATA_SCALE
-         ,LAST_DDL_TIME
+                       , COL.NULLABLE
-         ,TIMESTAMP
+                       , COM.COMMENTS
-         ,STATUS
+                    FROM USER_TAB_COLUMNS COL, USER_COL_COMMENTS COM
+                   WHERE     COL.COLUMN_NAME = COM.COLUMN_NAME
-FROM USER_OBJECTS WHERE OBJECT_NAME = UPPER('&테이블명') AND OBJECT_TYPE = 'TABLE'; </source>
+                         AND COL.TABLE_NAME = COM.TABLE_NAME
+                         AND COM.TABLE_NAME LIKE :IN_TABLE_NAME || '%') A
-#
+               , USER_CONS_COLUMNS B
-##33 테이블의 크기 및 블록 보기
-&nbsp;
-<source lang="sql"> SELECT SUBSTR(SEGMENT_NAME, 1, 20), BYTES, BLOCKS FROM USER_SEGMENTS WHERE SEGMENT_NAME = UPPER('&테이블명'); </source>
-#
-##34 파티션 테이블의 파티션 범위 보기
-&nbsp;
-<source lang="sql"> SELECT SUBSTRB(PARTITION_NAME, 1, 30) AS PARTITION_NAME, SUBSTRB(TABLESPACE_NAME, 1, 30) AS TABLESPACE_NAME, HIGH_VALUE FROM USER_TAB_PARTITIONS WHERE TABLE_NAME = UPPER('&테이블명'); </source>
-#
-##35 CONSTRAINT 보기
-&nbsp;
-<source lang="sql"> SELECT DECODE(A.CONSTRAINT_TYPE, 'P', 'Primary Key', 'R', 'Foreign Key', 'C', 'Table Check', 'V', 'View Check', 'U', 'Unique', '?')
-            AS "유형"
-         ,SUBSTRB(A.CONSTRAINT_NAME, 1, 25) AS CONSTRAINT_NAME
-         ,B.POSITION
-         ,SUBSTRB(B.COLUMN_NAME, 1, 25) AS COLUMN_NAME
-FROM DBA_CONSTRAINTS A
-         ,DBA_CONS_COLUMNS B
-WHERE A.CONSTRAINT_NAME = B.CONSTRAINT_NAME AND A.OWNER = 'E_LUCIS' AND A.TABLE_NAME = UPPER('&테이블명') ORDER BY 1, 2, 3; </source>
-#
-##36 특정 테이블의 스키마 구조 확인
-&nbsp;
-<source lang="sql"> /*
-     보통 토드나 기타 오라클 클라이언트 툴을 이용해서 테이블 구조를 확인 해도 됩니다.
-     하지만 수많은 테이블을 전체 보고 싶을 경우 아래 쿼리를 이용하면 한번에 확인이 가능합니다.
-*/
---: 관리자용 SELECT OWNER
-         ,TABLE_NAME
-         ,COLUMN_NAME
-         ,PK
-         ,COLUMN_NAME
-         ,DATA_TYPE || '( ' || NVL(DATA_TYPE_2, DATA_LENGTH) || ' )' DATA_TYPE
-         ,NULLABLE
-         ,COMMENTS
-FROM (SELECT A.OWNER
-                    ,A.TABLE_NAME
-                    ,A.COLUMN_ID
-                    ,B.POSITION PK
-                    ,A.COLUMN_NAME
-                    ,A.DATA_TYPE
-                    ,A.DATA_PRECISION || DECODE(A.DATA_SCALE, NULL, NULL, ',' || A.DATA_SCALE) DATA_TYPE_2
-                    ,A.DATA_LENGTH
-                    ,A.DATA_PRECISION
-                    ,A.DATA_SCALE
-                    ,A.NULLABLE
-                    ,A.COMMENTS
-                    ,ROW_NUMBER() OVER (PARTITION BY A.OWNER, A.TABLE_NAME, A.COLUMN_ID ORDER BY A.COLUMN_ID, B.POSITION) RN
-           FROM      (SELECT    COL.OWNER
-                               ,COL.TABLE_NAME
-                               ,COL.COLUMN_ID
-                               ,COL.COLUMN_NAME
-                               ,COL.DATA_TYPE
-                               ,COL.DATA_LENGTH
-                               ,COL.DATA_PRECISION
-                               ,COL.DATA_SCALE
-                               ,COL.NULLABLE
-                               ,COM.COMMENTS
-                      FROM      DBA_TAB_COLUMNS COL
-                               ,DBA_COL_COMMENTS COM
-                      WHERE     COL.COLUMN_NAME = COM.COLUMN_NAME
-                      AND       COL.OWNER = COM.OWNER
-                      AND       COL.TABLE_NAME = COM.TABLE_NAME
-                      AND       COM.OWNER =&nbsp;:IN_OWNER
-                      AND       COM.TABLE_NAME LIKE&nbsp;:IN_TABLE_NAME || '%') A
-                    ,DBA_CONS_COLUMNS B
             WHERE     B.TABLE_NAME(+) = A.TABLE_NAME
-           AND       B.COLUMN_NAME(+) = A.COLUMN_NAME) X
+                 AND B.COLUMN_NAME(+) = A.COLUMN_NAME) X
+   WHERE X.RN = 1
+ORDER BY X.TABLE_NAME, X.COLUMN_ID;
+</source>
-WHERE X.RN = 1 ORDER BY X.TABLE_NAME, X.COLUMN_ID; </source>
+== 사용자별 오브젝트 수   ==
+* DBA_OBJECTS
---: 일반 사용자 용
+<source lang="sql">
+  SELECT OWNER                                                AS "OWNER"
+       , SUM (DECODE (OBJECT_TYPE, 'TABLE', 1, 0))            AS "TABLE"
- &nbsp;
+       , SUM (DECODE (OBJECT_TYPE, 'INDEX', 1, 0))            AS "INDEX"
-<source lang="sql"> SELECT TABLE_NAME ,COLUMN_NAME ,PK ,COLUMN_NAME ,DATA_TYPE || '( ' || NVL(DATA_TYPE_2, DATA_LENGTH) || ' )' DATA_TYPE ,NULLABLE ,COMMENTS FROM (SELECT A.TABLE_NAME ,A.COLUMN_ID ,B.POSITION PK ,A.COLUMN_NAME ,A.DATA_TYPE ,A.DATA_PRECISION || DECODE(A.DATA_SCALE, NULL, NULL, ',' || A.DATA_SCALE) DATA_TYPE_2 ,A.DATA_LENGTH ,A.DATA_PRECISION ,A.DATA_SCALE ,A.NULLABLE ,A.COMMENTS ,ROW_NUMBER() OVER (PARTITION BY A.TABLE_NAME, A.COLUMN_ID ORDER BY A.COLUMN_ID, B.POSITION) RN FROM (SELECT COL.TABLE_NAME ,COL.COLUMN_ID ,COL.COLUMN_NAME ,COL.DATA_TYPE ,COL.DATA_LENGTH ,COL.DATA_PRECISION ,COL.DATA_SCALE ,COL.NULLABLE ,COM.COMMENTS FROM USER_TAB_COLUMNS COL ,USER_COL_COMMENTS COM WHERE COL.COLUMN_NAME = COM.COLUMN_NAME AND COL.TABLE_NAME = COM.TABLE_NAME AND COM.TABLE_NAME LIKE&nbsp;:IN_TABLE_NAME || '%') A ,USER_CONS_COLUMNS B WHERE B.TABLE_NAME(+) = A.TABLE_NAME AND B.COLUMN_NAME(+) = A.COLUMN_NAME) X WHERE X.RN = 1 ORDER BY X.TABLE_NAME, X.COLUMN_ID; </source>
+       , SUM (DECODE (OBJECT_TYPE, 'SYNONYM', 1, 0))          AS "SYNONYMS"
+       , SUM (DECODE (OBJECT_TYPE, 'SEQUENCE', 1, 0))         AS "SEQUENCES"
-#
+       , SUM (DECODE (OBJECT_TYPE, 'VIEW', 1, 0))             AS "VIEWS"
-##37 사용자별 오브젝트 수
+       , SUM (DECODE (OBJECT_TYPE, 'CLUSTER', 1, 0))          AS "CLUSTERS"
+       , SUM (DECODE (OBJECT_TYPE, 'DATABASE LINK', 1, 0))    AS "DBLINKS"
-&nbsp;
+       , SUM (DECODE (OBJECT_TYPE, 'PACKAGE', 1, 0))          AS "PACKAGES"
-<source lang="sql"> SELECT OWNER AS "OWNER"
+       , SUM (DECODE (OBJECT_TYPE, 'PACKAGE BODY', 1, 0))     AS "PACKAGE_BODY"
+       , SUM (DECODE (OBJECT_TYPE, 'PROCEDURE', 1, 0))        AS "PROCEDURES"
-         ,SUM(DECODE(OBJECT_TYPE, 'TABLE', 1, 0)) AS "TABLE"
+       , SUM (DECODE (OBJECT_TYPE, 'FUNCTION', 1, 0))         AS "FUNCTION"
-         ,SUM(DECODE(OBJECT_TYPE, 'INDEX', 1, 0)) AS "INDEX"
+    FROM DBA_OBJECTS
-         ,SUM(DECODE(OBJECT_TYPE, 'SYNONYM', 1, 0)) AS "SYNONYMS"
+GROUP BY OWNER;
-         ,SUM(DECODE(OBJECT_TYPE, 'SEQUENCE', 1, 0)) AS "SEQUENCES"
+</source>
-         ,SUM(DECODE(OBJECT_TYPE, 'VIEW', 1, 0)) AS "VIEWS"
-         ,SUM(DECODE(OBJECT_TYPE, 'CLUSTER', 1, 0)) AS "CLUSTERS"
-         ,SUM(DECODE(OBJECT_TYPE, 'DATABASE LINK', 1, 0)) AS "DBLINKS"
-         ,SUM(DECODE(OBJECT_TYPE, 'PACKAGE', 1, 0)) AS "PACKAGES"
-         ,SUM(DECODE(OBJECT_TYPE, 'PACKAGE BODY', 1, 0)) AS "PACKAGE_BODY"
-         ,SUM(DECODE(OBJECT_TYPE, 'PROCEDURE', 1, 0)) AS "PROCEDURES"
-         ,SUM(DECODE(OBJECT_TYPE, 'FUNCTION', 1, 0)) AS "FUNCTION"
-FROM DBA_OBJECTS GROUP BY OWNER; </source>
-#7. 모니터링
+= 모니터링 =
 ----
-#
-##38 연결되어 있는 OS 사용자 및 프로그램 조회
-&nbsp;
+== 연결되어 있는 OS 사용자 및 프로그램 조회   ==
-<source lang="sql"> SELECT SID
+* V$SESSION
+<source lang="sql">
+SELECT SID
+     , SERIAL#
+     , OSUSER
+     , SUBSTRB(USERNAME, 1, 10) AS USER_NAME
+     , SUBSTRB(PROGRAM, 1, 30) AS PROGRAM_NAME
+     , STATUS
+     , TO_CHAR(LOGON_TIME, 'YYYY/MM/DD HH:MI') AS LOGON_TIME
+  FROM V$SESSION WHERE TYPE!= ‘BACKGROUND’ AND STATUS = ‘ACTIVE’;
+</source>
-         ,SERIAL#
+== 1시간 이상 유휴 상태인 세션   ==
-         ,OSUSER
-         ,SUBSTRB(USERNAME, 1, 10) AS USER_NAME
-         ,SUBSTRB(PROGRAM, 1, 30) AS PROGRAM_NAME
-         ,STATUS
-         ,TO_CHAR(LOGON_TIME, 'YYYY/MM/DD HH:MI') AS LOGON_TIME
-FROM V$SESSION WHERE TYPE&nbsp;!= ‘BACKGROUND’ AND STATUS = ‘ACTIVE’; </source>
+<source lang="sql">
+SELECT SID
+     , SERIAL#
+     , USERNAME
+     , TRUNC(LAST_CALL_ET / 3600, 2) || ' HR' LAST_CALL_ET
+  FROM V$SESSION
+ WHERE LAST_CALL_ET > 3600
+   AND USERNAME IS NOT NULL;
+</source>
-#
+== Active Session 중 Idle Time이 긴 작업   ==
-##39 1시간 이상 유휴 상태인 세션
+* V$SESSION
+* V$PROCESS
-&nbsp;
-<source lang="sql"> SELECT SID
-         ,SERIAL#
-         ,USERNAME
-         ,TRUNC(LAST_CALL_ET / 3600, 2) || ' HR' LAST_CALL_ET
-FROM V$SESSION WHERE LAST_CALL_ET > 3600 AND USERNAME IS NOT NULL; </source>
-#
-##40 Active Session 중 Idle Time이 긴 작업
-&nbsp;
 <source lang="sql">
 SELECT VS.SID || ',' || VS.SERIAL# " SID"
+     , VP.SPID
+     , VS.MACHINE
+     , VS.PROGRAM
+     , VS.MODULE
+     , VS.STATUS
+     , TO_CHAR(VS.LOGON_TIME, 'MM/DD HH24:MI') LOGIN_TIME
+     , ROUND(VS.LAST_CALL_ET / 60) "IDLE"
+  FROM V$SESSION VS
+     , V$PROCESS VP
+ WHERE VS.STATUS = 'ACTIVE'
+   AND VS.SID NOT IN (1, 2, 3, 4, 5, 6, 7)
+   AND VS.PADDR = VP.ADDR
+ ORDER BY 8;
+</source>
-         ,VP.SPID
+== DBUser 별로 Session 정보를 조회   ==
-         ,VS.MACHINE
-         ,VS.PROGRAM
-         ,VS.MODULE
-         ,VS.STATUS
-         ,TO_CHAR(VS.LOGON_TIME, 'MM/DD HH24:MI') LOGIN_TIME
-         ,ROUND(VS.LAST_CALL_ET / 60) "IDLE"
-FROM V$SESSION VS
-         ,V$PROCESS VP
-WHERE VS.STATUS = 'ACTIVE' AND VS.SID NOT IN (1, 2, 3, 4, 5, 6, 7) AND VS.PADDR = VP.ADDR ORDER BY 8; </source>
-#
-##41 DBUser 별로 Session 정보를 조회
-&nbsp;
 <source lang="sql">
 SELECT S.USERNAME
+     , S.SID
+     , S.SERIAL#
+     , P.SPID
+     , S.OSUSER
+     , S.MACHINE
+     , S.PROGRAM
+     , TO_CHAR(S.LOGON_TIME, 'MM/DD HH24:MI') "LOGON_TIME"
+     , ROUND(S.LAST_CALL_ET / 60) "IDLE"
+  FROM V$SESSION S
+     , V$PROCESS P
+ WHERE S.PADDR = P.ADDR AND S.USERNAME LIKE UPPER('&DBUSER%')
+ ORDER BY 9;
+</source>
-         ,S.SID
+== Session별 사용 명령어   ==
-         ,S.SERIAL#
+* V$SESSION
-         ,P.SPID
+* V$SESSTAT
-         ,S.OSUSER
+* V$STATNAME
-         ,S.MACHINE
+* V$PROCESS
-         ,S.PROGRAM
-         ,TO_CHAR(S.LOGON_TIME, 'MM/DD HH24:MI') "LOGON_TIME"
-         ,ROUND(S.LAST_CALL_ET / 60) "IDLE"
-FROM V$SESSION S
-         ,V$PROCESS P
-WHERE S.PADDR = P.ADDR AND S.USERNAME LIKE UPPER('&DBUSER%') ORDER BY 9; </source>
-#
-##42 Session별 사용 명령어
-&nbsp;
 <source lang="sql">
@@ 928번째 줄: / 822번째 줄: @@
           ,TO_CHAR(SESS.LOGON_TIME, 'YYYY-MM-DD HH24:MI')
-FROM V$SESSION SESS
+ FROM V$SESSION SESS
+    , V$SESSTAT STAT
-         ,V$SESSTAT STAT
+    , V$STATNAME NAME
-         ,V$STATNAME NAME
+    , V$PROCESS PROC
-         ,V$PROCESS PROC
 WHERE SESS.SID = STAT.SID AND STAT.STATISTIC# = NAME.STATISTIC# AND SESS.USERNAME IS NOT NULL AND NAME.NAME = 'RECURSIVE CALLS' AND SESS.PADDR = PROC.ADDR ORDER BY 3, 1, 2; </source>
-#
+== 사용자 session 2시간 이상 idle 상태가 지속되는 session kill   ==
-##43 사용자 session 중에서 2시간 이상 idle 상태가 지속되는 session을 kill
+* V$SESSION
+* V$PROCESS
+<source lang="sql">
+SET PAGESIZE 0 SPOOL KILLIDLE3.SQL
-&nbsp;
+SELECT DISTINCT '!KILL -9 ' || B.SPID, 'ALTER SYSTEM KILL SESSION '''|| A.SID || ',' || A.SERIAL# || ''';'
-<source lang="sql"> SET PAGESIZE 0 SPOOL KILLIDLE3.SQL
+  FROM V$SESSION A
+     , V$PROCESS B
+ WHERE A.PADDR IN (SELECT S.PADDR
+                     FROM V$SESSION S
+                    WHERE STATUS = 'INACTIVE'
+                    GROUP BY  S.PADDR
+                   HAVING MIN(ROUND(LAST_CALL_ET / 60)) > 120)
+   AND A.PADDR = B.ADDR
+   AND A.STATUS = 'INACTIVE';
-SELECT DISTINCT '!KILL -9 ' || B.SPID, 'ALTER SYSTEM KILL SESSION '''|| A.SID || ',' || A.SERIAL# || '''&nbsp;;' FROM V$SESSION A
+SPOOL OFF
+</source>
-         ,V$PROCESS B
-WHERE A.PADDR IN (SELECT S.PADDR
-                      FROM      V$SESSION S
-                      WHERE     STATUS = 'INACTIVE'
-                      GROUP BY  S.PADDR
-                      HAVING    MIN(ROUND(LAST_CALL_ET / 60)) > 120)
-AND A.PADDR = B.ADDR AND A.STATUS = 'INACTIVE';
-SPOOL OFF </source>
-#
-##44 Oracle Process의 정보
-&nbsp;
-<source lang="sql"> SELECT S.STATUS "STATUS"
+== Oracle Process의 정보   ==
+* V$SESSION
+* V$PROCESS
+* SYS.V_$SESS_IO
+<source lang="sql">
+SELECT S.STATUS "STATUS"
           ,S.SERIAL# "SERIAL#"
           ,S.TYPE "TYPE"
@@ 988번째 줄: / 879번째 줄: @@
           ,S.SQL_HASH_VALUE "SQL HASH"
           ,S.ACTION
+  FROM V$SESSION S
+     , V$PROCESS P
+     , SYS.V_$SESS_IO SI
+WHERE S.PADDR = P.ADDR(+)
+  AND SI.SID(+) = S.SID
+  AND S.USERNAME IS NOT NULL
+  AND NVL(S.OSUSER, 'X') <> 'SYSTEM'
+  AND S.TYPE <> 'BACKGROUND'
+ORDER BY 3;
+</source>
-FROM V$SESSION S
+== 오브젝트에 접속되어 있는 프로그램 조회   ==
+* V$SESSION
-         ,V$PROCESS P
+* V$ACCESS
-         ,SYS.V_$SESS_IO SI
-WHERE S.PADDR = P.ADDR(+) AND SI.SID(+) = S.SID AND S.USERNAME IS NOT NULL AND NVL(S.OSUSER, 'X') <> 'SYSTEM' AND S.TYPE <> 'BACKGROUND' ORDER BY 3; </source>
-#
-##45 오브젝트에 접속되어 있는 프로그램 조회
-&nbsp;
 <source lang="sql">
+SELECT SUBSTR(B.OBJECT, 1, 15) AS OBJECT, SUBSTR(A.PROGRAM, 1, 15) AS PROGRAM, COUNT(*) AS CNT
+  FROM V$SESSION A
+      ,V$ACCESS B
+WHERE A.SID = B.SID
+  AND B.OWNER NOT IN ('SYS')
+  AND A.TYPE!= 'BACKGROUND'
+  AND B.OBJECT LIKE UPPER('&OBJECT_NAME') || '%' GROUP BY B.OBJECT, SUBSTR(A.PROGRAM, 1, 15); </source>
-SELECT SUBSTR(B.OBJECT, 1, 15) AS OBJECT, SUBSTR(A.PROGRAM, 1, 15) AS PROGRAM, COUNT(*) AS CNT FROM V$SESSION A
+== 롤백 세그먼트 경합 조회   ==
+* V$ROLLSTAT
-         ,V$ACCESS B
+* V$ROLLNAME
-WHERE A.SID = B.SID AND B.OWNER NOT IN ('SYS') AND A.TYPE&nbsp;!= 'BACKGROUND' AND B.OBJECT LIKE UPPER('&OBJECT_NAME') || '%' GROUP BY B.OBJECT, SUBSTR(A.PROGRAM, 1, 15); </source>
-#
-##46 롤백 세그먼트 경합 조회
-&nbsp;
 <source lang="sql">
 SELECT NAME T0
+     , GETS T1         ,WAITS T2
+     , TO_CHAR(TRUNC(WAITS / GETS * 100, 2), 099.99) || '%' T3
+     , TO_CHAR(ROUND(RSSIZE / 1024)) T4
+     , SHRINKS T5
+     , EXTENDS T6
+  FROM V$ROLLSTAT
+     , V$ROLLNAME
+WHERE V$ROLLSTAT.USN = V$ROLLNAME.USN;
+</source>
-         ,GETS T1
+== CPU를 많이 사용하는 세션의 식별   ==
-         ,WAITS T2
+* V$SESSTAT
-         ,TO_CHAR(TRUNC(WAITS / GETS * 100, 2), 099.99) || '&nbsp;%' T3
+* V$STATNAME
-         ,TO_CHAR(ROUND(RSSIZE / 1024)) T4
+* V$SESSION
-         ,SHRINKS T5
-         ,EXTENDS T6
-FROM V$ROLLSTAT
-         ,V$ROLLNAME
-WHERE V$ROLLSTAT.USN = V$ROLLNAME.USN; </source>
-#
-##46 CPU를 많이 사용하는 세션의 식별
-&nbsp;
 <source lang="sql">
 SELECT A.SID
+     , C.SERIAL#
+     , A.VALUE
+     , C.USERNAME
+     , C.STATUS
+     , C.PROGRAM
+  FROM V$SESSTAT A
+     , V$STATNAME B
+     , V$SESSION C
+WHERE A.STATISTIC# = B.STATISTIC#
+  AND A.SID = C.SID
+  AND B.NAME = 'CPU used by this session'
+  AND A.VALUE > 0 ORDER BY A.VALUE DESC;
+</source>
-         ,C.SERIAL#
+== Disk Read 가 많은 SQL문 찾기   ==
-         ,A.VALUE
+* V$SQLAREA
-         ,C.USERNAME
-         ,C.STATUS
-         ,C.PROGRAM
-FROM V$SESSTAT A
-         ,V$STATNAME B
-         ,V$SESSION C
-WHERE A.STATISTIC# = B.STATISTIC# AND A.SID = C.SID AND B.NAME = 'CPU used by this session' AND A.VALUE > 0 ORDER BY A.VALUE DESC; </source>
-#
-##47 Disk Read 가 많은 SQL문 찾기
-&nbsp;
 <source lang="sql">
+SELECT DISK_READS, SQL_TEXT
+  FROM V$SQLAREA
+ WHERE DISK_READS > 100
+ORDER BY DISK_READS DESC; </source>
-SELECT DISK_READS, SQL_TEXT FROM V$SQLAREA WHERE DISK_READS > 100 ORDER BY DISK_READS DESC; </source>
+== Rollback Segment를 사용하고 있는 SQL문 조회   ==
+* V$ROLLNAME
+* V$ROLLSTAT
+* V$SESSION
+* V$SQLTEXT
+* V$TRANSACTION
+<source lang="sql">
+SELECT A.NAME
+     , B.XACTS
+     , C.SID
+     , C.SERIAL#
+     , C.USERNAME
+     , D.SQL_TEXT
+  FROM V$ROLLNAME A
+     , V$ROLLSTAT B
+     , V$SESSION C
+     , V$SQLTEXT D
+     , V$TRANSACTION E
+ WHERE A.USN = B.USN
+   AND B.USN = E.XIDUSN
+   AND C.TADDR = E.ADDR
+   AND C.SQL_ADDRESS = D.ADDRESS
+   AND C.SQL_HASH_VALUE = D.HASH_VALUE
+ORDER BY A.NAME, C.SID, D.PIECE;
+</source>
-#
+== 오래도록 수행되는 Full Table Scan를 모니터링   ==
-##48 Rollback Segment를 사용하고 있는 SQL문 조회
+* V$SESSION_LONGOPS
+<source lang="sql">
+SELECT SID
+     , SERIAL#
+     , OPNAME
+     , TO_CHAR(START_TIME, 'HH24:MI:SS') AS "START"
+     , (SOFAR / TOTALWORK) * 100 AS "PERCENT_COMPLETE"
+   FROM V$SESSION_LONGOPS;
+</source>
-&nbsp;
+== System 테이블스페이스에 비시스템 세그먼트 조회   ==
-<source lang="sql"> SELECT A.NAME
+* DBA_SEGMENTS
+<source lang="sql">
-         ,B.XACTS
+SELECT OWNER
-         ,C.SID
+     , SEGMENT_NAME
-         ,C.SERIAL#
+     , SEGMENT_TYPE
-         ,C.USERNAME
+     , TABLESPACE_NAME
-         ,D.SQL_TEXT
+  FROM DBA_SEGMENTS
+ WHERE OWNER NOT IN ('SYS', 'SYSTEM')
-FROM V$ROLLNAME A
+   AND TABLESPACE_NAME = 'SYSTEM';
+</source>
-         ,V$ROLLSTAT B
-         ,V$SESSION C
-         ,V$SQLTEXT D
-         ,V$TRANSACTION E
-WHERE A.USN = B.USN AND B.USN = E.XIDUSN AND C.TADDR = E.ADDR AND C.SQL_ADDRESS = D.ADDRESS AND C.SQL_HASH_VALUE = D.HASH_VALUE ORDER BY A.NAME, C.SID, D.PIECE; </source>
-#
-##49 오래도록 수행되는 Full Table Scan를 모니터링
-&nbsp;
-<source lang="sql"> SELECT SID
-         ,SERIAL#
+== 인덱스의 Delete Space 조회   ==
-         ,OPNAME
+* INDEX_STATS
-         ,TO_CHAR(START_TIME, 'HH24:MI:SS') AS "START"
-         ,(SOFAR / TOTALWORK) * 100 AS "PERCENT_COMPLETE"
-FROM V$SESSION_LONGOPS; </source>
-#
-##50 System 테이블스페이스에 비시스템 세그먼트 조회
-&nbsp;
-<source lang="sql"> SELECT OWNER
-         ,SEGMENT_NAME
-         ,SEGMENT_TYPE
-         ,TABLESPACE_NAME
-FROM DBA_SEGMENTS WHERE OWNER NOT IN ('SYS', 'SYSTEM') AND TABLESPACE_NAME = 'SYSTEM'; </source>
-#
-##51 인덱스의 Delete Space 조회
-&nbsp;
 <source lang="sql">
+--Delete Space% 값이 20% 가 넘으면, 그 인덱스는 다시 작성하는 것이 좋다.
 SELECT NAME
+     , LF_ROWS
+     , DEL_LF_ROWS
+     , (DEL_LF_ROWS / LF_ROWS) * 100 AS "DELETE SPACE%"
+  FROM INDEX_STATS WHERE NAME = UPPER('&INDEX_NAME');
+</source>
-         ,LF_ROWS
+== 딕셔너리/뷰 정보 조회   ==
-         ,DEL_LF_ROWS
+* DICTIONARY
-         ,(DEL_LF_ROWS / LF_ROWS) * 100 AS "DELETE SPACE&nbsp;%"
+* DICT_COLUMNS
+<source lang="sql">
-FROM INDEX_STATS WHERE NAME = UPPER('&INDEX_NAME'); </source>
+SELECT A.TABLE_NAME
---Delete Space&nbsp;% 값이 20&nbsp;% 가 넘으면, 그 인덱스는 다시 작성하는 것이 좋다.
-&nbsp;
-#
-##52 딕셔너리/뷰 정보 조회
-&nbsp;
-<source lang="sql"> SELECT A.TABLE_NAME
       , B.COLUMN_NAME
    FROM DICTIONARY A
       , DICT_COLUMNS B
-  WHERE  A.TABLE_NAME = B.TABLE_NAME;
+  WHERE A.TABLE_NAME = B.TABLE_NAME;
 </source>
-#8. 프로시져/패키지
+= 프로시져/패키지 =
 ----
-#
-##53 패키지 검색 1 - 특정 오라클 사용자 중에서 패키지 소스와 일치하는 텍스트를 조회
-&nbsp;
+== 패키지 검색 1 - 특정 오라클 사용자 중에서 패키지 소스와 일치하는 텍스트를 조회   ==
 <source lang="sql"> -- 오라클 사용자에서 사용하는 패키지를 보여는 방법
 ----
+:IN_OWNER: 오라클 사용자
-&nbsp;:IN_OWNER&nbsp;: 오라클 사용자
 ----
+:IN_OBJECT_NAME: 패키지 이름
-&nbsp;:IN_OBJECT_NAME&nbsp;: 패키지 이름
+SELECT OBJECT_NAME
+  FROM DBA_OBJECTS
-SELECT OBJECT_NAME FROM DBA_OBJECTS WHERE OWNER =&nbsp;:IN_OWNER AND OBJECT_NAME LIKE '%' ||&nbsp;:IN_OBJECT_NAME || '%' AND OBJECT_TYPE = 'PACKAGE'; </source>
+ WHERE OWNER =:IN_OWNER
+   AND OBJECT_NAME LIKE '%' ||:IN_OBJECT_NAME || '%'
+   AND OBJECT_TYPE = 'PACKAGE'; </source>
 -- 오라클 사용자의 패키지 중에서 텍스트 내용을 검색하여 패키지 정보를 추출
 ----
+:IN_OWNER: 오라클 사용자
-&nbsp;:IN_OWNER&nbsp;: 오라클 사용자
 ----
+:IN_TEXT : 패키지소 스에서 검색할 텍스트
+<source lang="sql"> SELECT NAME -- 패키지 이름 , LINE -- 라인 수 , TEXT -- 패키지 BODY에 수정된 내용 FROM DBA_SOURCE WHERE OWNER =:IN_OWNER AND TEXT LIKE '%' ||:IN_TEXT || '%'; </source>
-&nbsp;:IN_TEXT &nbsp;: 패키지소 스에서 검색할 텍스트
+== 특정 사용자의 패키지 내에서 주석처리가 되지 않은 항목을 조회   ==
- &nbsp;
-<source lang="sql"> SELECT NAME -- 패키지 이름 , LINE -- 라인 수 , TEXT -- 패키지 BODY에 수정된 내용 FROM DBA_SOURCE WHERE OWNER =&nbsp;:IN_OWNER AND TEXT LIKE '%' ||&nbsp;:IN_TEXT || '%'; </source>
-&nbsp;
-#
-##54 특정 사용자의 패키지 내에서 주석처리가 되지 않은 항목을 조회
 /*
@@ 1,178번째 줄: / 1,054번째 줄: @@
 */
+<source lang="sql"> SELECT * FROM DBA_OBJECTS B WHERE B.OWNER =:IN_OWNER AND B.OBJECT_TYPE = 'PACKAGE BODY' AND B.STATUS <> 'INVALID' -- VALID 상태만 조회, 만약 INVALID 된다고 해도 패키지를 수행하는 순간 컴파일 됨. AND NOT EXISTS
-&nbsp;
-<source lang="sql"> SELECT * FROM DBA_OBJECTS B WHERE B.OWNER =&nbsp;:IN_OWNER AND B.OBJECT_TYPE = 'PACKAGE BODY' AND B.STATUS <> 'INVALID' -- VALID 상태만 조회, 만약 INVALID 된다고 해도 패키지를 수행하는 순간 컴파일 됨. AND NOT EXISTS
              (SELECT    1
@@ 1,192번째 줄: / 1,066번째 줄: @@
 </source>
-#
-##55 다중 UPDATE 쿼리
-&nbsp;
+== 다중 UPDATE 쿼리   ==
 <source lang="sql">
@@ 1,220번째 줄: / 1,093번째 줄: @@
                                ,A.GRP_CD A_GRP_CD
                                ,A.UNIT A_UNIT
-                               ,REGEXP_INSTR(COLUMN_DESC, '단위\:') UNIT_INSTR
+                               ,REGEXP_INSTR(COLUMN_DESC, '단위\:') UNIT_INSTR                     FROM      DBA_MYCOL A                     WHERE     A.SERVER =:IN_SERVER                     AND       A.OWNER =:IN_OWNER
-                     FROM      DBA_MYCOL A
+                      AND       A.TABLE_NAME =:IN_TABLE_NAME) X)
-                     WHERE     A.SERVER =&nbsp;:IN_SERVER
-                     AND       A.OWNER =&nbsp;:IN_OWNER
-                      AND       A.TABLE_NAME =&nbsp;:IN_TABLE_NAME) X)
 SET A_UNIT = B_UNIT
@@ 1,232번째 줄: / 1,102번째 줄: @@
 </source>
-#
-##56 CPU를 많이 사용하는 세션의 식별(SQL TEXT 조회)
-&nbsp;
+== CPU를 많이 사용하는 세션의 식별(SQL TEXT 조회)   ==
 <source lang="sql"> SELECT A.*
@@ 1,267번째 줄: / 1,136번째 줄: @@
 WHERE A.RN <= 10; </source>
-#
-##57 현재 세션에서 10초이상 걸리는 쿼리 조회 (SELECT절)
-&nbsp;
+== 현재 세션에서 10초이상 걸리는 쿼리 조회 (SELECT절)   ==
 <source lang="sql">
+SELECT ABS(SYSDATE - A.LAST_LOAD_TIME) * 24 * 60 * 60 AS SEC_TIEM, A.*
+  FROM V$SQLAREA A
+     , V$SESSION B
+ WHERE A.SQL_TEXT LIKE '%SELECT%'
+   AND A.ADDRESS = B.SQL_ADDRESS
+   AND B.STATUS = 'ACTIVE'
+   AND A.ELAPSED_TIME >= 10 * 1000000  -- 실행계획에서 10초 이상 걸리는 쿼리를 조회(실제 걸리는 시간은 아님.)
+   AND A.PARSING_SCHEMA_NAME NOT IN ('SYS', 'SYSTEM', 'SYSMAN')
+   AND B.USERNAME IS NOT NULL;
+</source>
-SELECT ABS(SYSDATE - A.LAST_LOAD_TIME) * 24 * 60 * 60 AS SEC_TIEM, A.* FROM V$SQLAREA A
+== 현재 세션에서 PGA, UGA, CPU 사용량 세션별로 조회하는 쿼리   ==
-         ,V$SESSION B
-WHERE A.SQL_TEXT LIKE '%SELECT%' AND A.ADDRESS = B.SQL_ADDRESS AND B.STATUS = 'ACTIVE' AND A.ELAPSED_TIME >= 10 * 1000000 -- 실행계획에서 10초 이상 걸리는 쿼리를 조회(실제 걸리는 시간은 아님.) AND A.PARSING_SCHEMA_NAME NOT IN ('SYS', 'SYSTEM', 'SYSMAN') AND B.USERNAME IS NOT NULL; </source>
-#
-##58 현재 세션에서 PGA, UGA, CPU 사용량 세션별로 조회하는 쿼리
-&nbsp;
 <source lang="sql">
 SELECT B.USERNAME
           ,A.SID
           ,A.PGA_USAGE
@@ 1,294번째 줄: / 1,162번째 줄: @@
           ,B.PROGRAM
           ,B.MODULE
 FROM (SELECT B.SID
                      ,MAX(DECODE(C.NAME, 'session pga memory', TRUNC(B.VALUE / 1024 / 1024) || 'MB', 0)) AS PGA_USAGE
                      ,MAX(DECODE(C.NAME, 'session uga memory', TRUNC(B.VALUE / 1024 / 1024) || 'MB', 0)) AS UGA_USAGE
@@ 1,305번째 줄: / 1,171번째 줄: @@
             GROUP BY  B.SID) A
           ,V$SESSION B
 WHERE B.SID = A.SID AND B.STATUS = 'ACTIVE' AND B.USERNAME IS NOT NULL; </source>
-#
+== 상호 DB간에 컬럼 이름 비교   ==
-##59 상호 DB간에 컬럼 이름 비교
-&nbsp;
 <source lang="sql">
 /*
     양쪽 DB에서 사용하는 테이블 중에서 컬럼 이름 다른 항목을 찾는다.
 */
 SELECT A.TABLE_NAME
+      ,A.COLUMN_NAME
-         ,A.COLUMN_NAME
+      ,A.COLUMN_ID
-         ,A.COLUMN_ID
+      ,A.DATA_TYPE || '(' || A.DATA_LENGTH || ')' DATA_TYPE
-         ,A.DATA_TYPE || '(' || A.DATA_LENGTH || ')' DATA_TYPE
+FROM USER_TAB_COLUMNS@LINK_ESTDB A WHERE A.TABLE_NAME =:IN_TABLE_NAME AND NOT EXISTS
-FROM USER_TAB_COLUMNS@LINK_ESTDB A WHERE A.TABLE_NAME =&nbsp;:IN_TABLE_NAME AND NOT EXISTS
              (SELECT    'X'
               FROM      USER_TAB_COLUMNS B
               WHERE     B.TABLE_NAME = A.TABLE_NAME
               AND       B.COLUMN_NAME = A.COLUMN_NAME);
+</source>
+<source lang="sql">
+SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID
+  FROM USER_TAB_COLUMNS@LINK_ESTDB A
+ WHERE A.TABLE_NAME =:IN_TABLE_NAME
+ MINUS
+SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID
+  FROM USER_TAB_COLUMNS A
+ WHERE A.TABLE_NAME =:IN_TABLE_NAME
 </source>
-&nbsp;
+== DB Link 보기   ==
-<source lang="sql"> SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID FROM USER_TAB_COLUMNS@LINK_ESTDB A WHERE A.TABLE_NAME =&nbsp;:IN_TABLE_NAME MINUS SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID FROM USER_TAB_COLUMNS A WHERE A.TABLE_NAME =&nbsp;:IN_TABLE_NAME </source>
-&nbsp;
+<source lang="sql">
+SELECT SUBSTRB (U.NAME, 1, 10)                            AS OWNER
+     , SUBSTRB (L.NAME, 1, 20)                            AS DB_LINK
+     , SUBSTRB (L.HOST, 1, 10)                            AS HOST
+     , SUBSTRB (L.USERID || '/' || L.PASSWORD, 1, 15)     AS USERPASS
+  FROM SYS.LINK$ L, SYS.USER$ U
+ WHERE L.OWNER# = U.USER#;
+</source>
-#
+== View의 정의 내역 보기   ==
-##60 DB Link 보기
-&nbsp;
+<source lang="sql"> SET LONG 100000
-<source lang="sql"> SELECT SUBSTRB(U.NAME, 1, 10) AS OWNER
-         ,SUBSTRB(L.NAME, 1, 20) AS DB_LINK
+SELECT TEXT FROM USER_VIEWS WHERE VIEW_NAME LIKE UPPER('&뷰_이름'); </source>
-         ,SUBSTRB(L.HOST, 1, 10) AS HOST
-         ,SUBSTRB(L.USERID || '/' || L.PASSWORD, 1, 15) AS USERPASS
-FROM SYS.LINK$ L
-         ,SYS.USER$ U
+== 동일(중복) 자료 삭제 방법   ==
-WHERE L.OWNER# = U.USER#; </source>
+# ROW_NUMBER() 이용
+<source lang=sql>
+DELETE FROM 테이블명
+	WHERE ROWID IN (
+		SELECT ROWID
+		  FROM (
+		    	SELECT *
+		    	  FROM (
+		    	    	SELECT ROW_NUMBER() OVER(PARTITION BY 컬럼명 ORDER BY 컬럼명) AS num
+		    		      FROM 테이블명
+		    	       )
+		 WHERE num > 1 --  num의 값이 1초과인 데이터들만 삭제
+	)
+);
+</source>
+:
+# MIN(ROWID) 보다 큰건은 삭제(신규 추가된건 삭제)
+<source lang=sql>
+DELETE FROM 테이블명 A
+ WHERE ROWID > (SELECT MIN(ROWID) FROM 테이블명 B
+                 WHERE A.컬럼 = B.컬럼
+               );
+</source>
+:
+#MAX(ROWID) 보다 작은건 삭제 (처음 추가된건 제)
+<source lang=sql>
+DELETE FROM 테이블명 A
+ WHERE ROWID < (SELECT MAX(ROWID) FROM 테이블명 B
+                 WHERE A.컬럼 = B.컬럼);
+</source>
-#
-##61 View의 정의 내역 보기
-&nbsp;
+[[Category:oracle]]
-<source lang="sql"> SET LONG 100000
-SELECT TEXT FROM USER_VIEWS WHERE VIEW_NAME LIKE UPPER('&뷰_이름'); </source>
-#
-##62 동일한 자료 삭제 방법
-&nbsp;
-<source lang="sql">
-DELETE FROM EMP E
- WHERE E.ROWID > ( SELECT MIN(X.ROWID)
-                     FROM EMP X
-                    WHERE X.EMPNO = E.EMPNO );
-</source>

"SQL 모음"의 두 판 사이의 차이

DB CAFE

2023년 4월 6일 (목) 21:25 판

목차

1 인덱스 정보[편집]

1.1 INDEX 보기[편집]

1.2 전체 INDEX 보기[편집]

1.3 특정 테이블의 인덱스 확인[편집]

1.4 인덱스에 대한 컬럼 조회[편집]

1.5 PRIMARY KEY 재생성 방법[편집]

1.6 PRIMARY KEY를 REFERENCE 하는 FOREIGN KEY 찾기[편집]

1.7 중복인덱스 체크[편집]

1.8 테이블의 PK를 구성하는 컬럼 조회[편집]

1.9 Index가 없는 Table 조회[편집]

2 락 정보[편집]

2.1 테이블에 LOCK이 걸렸는지를 보기[편집]

2.2 Lock을 잡고있는 세션과 기다리는 세션 조회[편집]

2.3 테이블에 걸린 비정상적 LOCK 풀기[편집]

2.4 작업 중인 데이터베이스 트랜잭션 조회[편집]

2.5 열려 있는 커서 조회[편집]

2.6 잠금 발생 유형 조회[편집]

2.7 잠금 상태 오브젝트 조회[편집]

2.8 잠금 SQL 구문 조회[편집]

2.9 해당 테이블의 세션을 제거하는 쿼리[편집]

2.10 Blocking Lock Session 확인[편집]

3 테이블 정보[편집]

3.1 테이블 생성일자 보기[편집]

3.2 테이블의 크기 및 블록 보기[편집]

3.3 파티션 테이블의 파티션 범위 보기[편집]

3.4 CONSTRAINT 보기[편집]

3.5 특정 테이블의 스키마 구조 확인[편집]

3.5.1 DBA 용[편집]

3.5.2 일반 사용자 용[편집]

3.6 사용자별 오브젝트 수[편집]

4 모니터링[편집]

4.1 연결되어 있는 OS 사용자 및 프로그램 조회[편집]

4.2 1시간 이상 유휴 상태인 세션[편집]

4.3 Active Session 중 Idle Time이 긴 작업[편집]

4.4 DBUser 별로 Session 정보를 조회[편집]

4.5 Session별 사용 명령어[편집]

4.6 사용자 session 2시간 이상 idle 상태가 지속되는 session kill[편집]

4.7 Oracle Process의 정보[편집]

4.8 오브젝트에 접속되어 있는 프로그램 조회[편집]

4.9 롤백 세그먼트 경합 조회[편집]

4.10 CPU를 많이 사용하는 세션의 식별[편집]

4.11 Disk Read 가 많은 SQL문 찾기[편집]

4.12 Rollback Segment를 사용하고 있는 SQL문 조회[편집]

4.13 오래도록 수행되는 Full Table Scan를 모니터링[편집]

4.14 System 테이블스페이스에 비시스템 세그먼트 조회[편집]

4.15 인덱스의 Delete Space 조회[편집]

4.16 딕셔너리/뷰 정보 조회[편집]

5 프로시져/패키지[편집]

5.1 패키지 검색 1 - 특정 오라클 사용자 중에서 패키지 소스와 일치하는 텍스트를 조회[편집]

5.2 특정 사용자의 패키지 내에서 주석처리가 되지 않은 항목을 조회[편집]

5.3 다중 UPDATE 쿼리[편집]

5.4 CPU를 많이 사용하는 세션의 식별(SQL TEXT 조회)[편집]

5.5 현재 세션에서 10초이상 걸리는 쿼리 조회 (SELECT절)[편집]

5.6 현재 세션에서 PGA, UGA, CPU 사용량 세션별로 조회하는 쿼리[편집]

5.7 상호 DB간에 컬럼 이름 비교[편집]

5.8 DB Link 보기[편집]

5.9 View의 정의 내역 보기[편집]

5.10 동일(중복) 자료 삭제 방법[편집]