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데이터이행 DDL작업

DB CAFE

DBCAFE (토론 | 기여)님의 2018년 11월 2일 (금) 17:28 판
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1 0. 작업 대상 추출[편집]

- NON PARTITIONED TABLE 먼저 진행 

SELECT B.OWNER,B.TABLE_NAME,B.COLUMN_NAME 
  FROM (
        SELECT OWNER, TABLE_NAME, MAX(COLUMN_ID) COLUMN_ID
          FROM DBA_TAB_COLUMNS
         WHERE OWNER IN ('CYKADM')
         GROUP BY OWNER, TABLE_NAME) A, DBA_TAB_COLUMNS B 
         WHERE A.OWNER = B.OWNER 
           AND A.TABLE_NAME = B.TABLE_NAME
           AND A.COLUMN_ID = B.COLUMN_ID
           AND B.COLUMN_NAME != 'MOD_DT'
           AND NOT EXISTS (SELECT 1 
                             FROM DBA_PART_TABLES C 
                            WHERE A.TABLE_NAME = C.TABLE_NAME
                          )
       )   
 ORDER BY B.OWNER, B.TABLE_NAME;

2 1. ZB TABLE 생성 (FROM ERWIN)[편집]

3 2. OBJECT 확인[편집]

SELECT OWNER, 'T'||SUBSTR(TABLE_NAME,2), COLUMN_NAME, DATA_TYPE, DATA_LENGTH, NULLABLE, DATA_PRECISION,DATA_SCALE
  FROM DBA_TAB_COLUMNS
 WHERE OWNER = 'CYKADM' AND TABLE_NAME IN ('Z_MD_XXX')
 MINUS
SELECT OWNER, TABLE_NAME, COLUMN_NAME, DATA_TYPE, DATA_LENGTH, NULLABLE, DATA_PRECISION,DATA_SCALE
  FROM DBA_TAB_COLUMNS
 WHERE OWNER = 'CYKADM' AND TABLE_NAME IN ('Z_MD_XXX')
 ;
SELECT OWNER, TABLE_NAME, COLUMN_NAME, DATA_TYPE, DATA_LENGTH, NULLABLE, DATA_PRECISION,DATA_SCALE
  FROM DBA_TAB_COLUMNS
 WHERE OWNER = 'CYKADM' AND TABLE_NAME IN ('Z_MD_XXX')
 MINUS
SELECT OWNER, 'T'||SUBSTR(TABLE_NAME,2), COLUMN_NAME, DATA_TYPE, DATA_LENGTH, NULLABLE, DATA_PRECISION,DATA_SCALE
  FROM DBA_TAB_COLUMNS
 WHERE OWNER = 'CYKADM' AND TABLE_NAME IN ('Z_MD_XXX')
 ;


4 3. 데이타 COPY[편집]

SELECT 'INSERT /*+ APPEND */ INTO Z_'||MAX(SUBSTR(A.TABLE_NAME,4))||' NOLOGGING'||CHR(10)||
       '( '||LISTAGG(A.COLUMN_NAME, CHR(10)||',') WITHIN GROUP (ORDER BY A.COLUMN_ID) ||CHR(10)||
       ') '||CHR(10)||
       'SELECT '||CHR(10)||'B.'||LISTAGG(A.COLUMN_NAME, CHR(10)||',B.') WITHIN GROUP (ORDER BY A.COLUMN_ID)||CHR(10)||
       '  FROM '||MAX(A.TABLE_NAME)||' B;'||CHR(10)||
       'COMMIT;'
  FROM ALL_TAB_COLUMNS A, ALL_COL_COMMENTS B
 WHERE A.TABLE_NAME = B.TABLE_NAME
   AND A.COLUMN_NAME = B.COLUMN_NAME
   AND A.TABLE_NAME IN ('TB_MD_XXX');

5 3. 인덱스 생성[편집]

SELECT 'CREATE '||DECODE(MAX(B.UNIQUENESS),'UNIQUE','UNIQUE')||' INDEX '||A.INDEX_OWNER||'.'||'Z'||SUBSTR(A.INDEX_NAME,2)||CHR(10)||
       ' ON '||INDEX_OWNER||'.'||'Z'||SUBSTR(A.TABLE_NAME,2)||' ('||LISTAGG(A.COLUMN_NAME, ',') WITHIN GROUP (ORDER BY A.COLUMN_POSITION)||')'||CHR(10)||
       (SELECT LOCALITY||CHR(10) FROM DBA_PART_INDEXES C WHERE A.INDEX_NAME = C.INDEX_NAME) ||
       'TABLESPACE '||MAX(B.TABLESPACE_NAME)||(SELECT DEF_TABLESPACE_NAME FROM DBA_PART_INDEXES C WHERE A.INDEX_NAME = C.INDEX_NAME)||CHR(10)||
       'NOLOGGING;'||CHR(10)||
       'ALTER INDEX '||A.INDEX_OWNER||'.'||'Z'||SUBSTR(A.INDEX_NAME,2)||' LOGGING;'
  FROM DBA_IND_COLUMNS A, DBA_INDEXES B
 WHERE INDEX_OWNER = 'CYKADM'
   AND A.INDEX_OWNER = B.OWNER
   AND A.INDEX_NAME = B.INDEX_NAME
   AND A.INDEX_NAME NOT LIKE '%_OLD'
   AND B.TABLE_NAME IN ('TB_MD_XXX')
 GROUP BY A.INDEX_OWNER,A.TABLE_NAME,A.INDEX_NAME

 UNION ALL   -- PK CONSTRAINT

SELECT 'ALTER TABLE '||INDEX_OWNER||'.'||'Z'||SUBSTR(A.TABLE_NAME,2)||' ADD CONSTRAINT '||'Z'||SUBSTR(A.INDEX_NAME,2)||' PRIMARY KEY ('||LISTAGG(A.COLUMN_NAME, ',') WITHIN GROUP (ORDER BY A.COLUMN_POSITION)||');'||CHR(10)
  FROM DBA_IND_COLUMNS A, DBA_INDEXES B
 WHERE INDEX_OWNER = 'CYKADM'
   AND A.INDEX_OWNER = B.OWNER
   AND A.INDEX_NAME = B.INDEX_NAME
   AND (A.INDEX_NAME LIKE 'PK%' AND A.INDEX_NAME NOT LIKE '%_OLD')
   AND B.TABLE_NAME IN ('TB_MD_XXX')
 GROUP BY A.INDEX_OWNER,A.TABLE_NAME,A.INDEX_NAME
;

6 4. 권한 부여 SCRIPT 수행[편집]

SELECT 'GRANT '||PRIVILEGE||' ON '||OWNER||'.'||TABLE_NAME||' TO '||GRANTEE||';'
FROM DBA_TAB_PRIVS
WHERE OWNER = 'CYKADM'
AND TABLE_NAME IN (
'TB_MD_XXX'
);

7 5. 권한 점검[편집]

SELECT GRANTEE, OWNER,TABLE_NAME,GRANTOR,PRIVILEGE
  FROM DBA_TAB_PRIVS
 WHERE OWNER = 'CYKADM'
   AND TABLE_NAME IN ('TB_MD_XXX')
 MINUS
SELECT GRANTEE, OWNER,'T'||SUBSTR(TABLE_NAME,2),GRANTOR,PRIVILEGE
  FROM DBA_TAB_PRIVS
 WHERE OWNER = 'CYKADM'
   AND TABLE_NAME IN ('Z_MD_GDS_SEL_CHNL_L_H');

8 6. RENAME 작업[편집]

  • T -> XT, Z -> T 전환 (제약사항,테이블명,인덱스 변경 )

- CONSTRAINT 백업 PK -> XPK로 - TABLE RENAME 백업 T -> X - CONSTRAINT 전환 ZPK-> PK - TABLE RENAME 전환 Z ->T - INDEX RENAME I -> X로 - Z_INDEX RENAME Z -> IX 

SELECT STATEMENT 
  FROM (
        SELECT 'ALTER TABLE '||OWNER||'.'||TABLE_NAME||' RENAME CONSTRAINT '||'PK_'||SUBSTR(TABLE_NAME,4)||' TO '||'XPK_'||SUBSTR(TABLE_NAME,4)||';'||CHR(10)||
               'ALTER TABLE '||OWNER||'.'||TABLE_NAME||' RENAME TO '||'X'||SUBSTR(TABLE_NAME,2)||';'||CHR(10)||
               'ALTER TABLE '||OWNER||'.'||'Z'||SUBSTR(TABLE_NAME,2)||' RENAME CONSTRAINT '||'ZPK_'||SUBSTR(TABLE_NAME,4)||' TO '||'PK_'||SUBSTR(TABLE_NAME,4)||';'||CHR(10)||
               'ALTER TABLE '||OWNER||'.'||'Z'||SUBSTR(TABLE_NAME,2)||' RENAME TO '||TABLE_NAME||';' AS STATEMENT
               ,TABLE_NAME
          FROM DBA_TABLES
         WHERE OWNER IN ('CYKADM')
         UNION ALL
        SELECT 'ALTER INDEX '||OWNER||'.'||INDEX_NAME||' RENAME TO '||'X'||SUBSTR(INDEX_NAME,2)||';'||CHR(10)||
               'ALTER INDEX '||OWNER||'.'||'Z'||SUBSTR(INDEX_NAME,2)||' RENAME TO '||INDEX_NAME||';' AS STATEMENT
               ,TABLE_NAME
          FROM DBA_INDEXES
         WHERE OWNER IN ('CYKADM')
        ) A
 WHERE TABLE_NAME IN ('TB_MD_XXX');
  • PK 인덱스 생성 - UNIQUE 인덱스 생성 하여 PK 생성 작업
SELECT 'CREATE '||DECODE(MAX(B.UNIQUENESS),'UNIQUE','UNIQUE')||' INDEX '||A.INDEX_OWNER||'.'||'Z'||SUBSTR(A.INDEX_NAME,2)||CHR(10)||
       ' ON '||INDEX_OWNER||'.'||'Z'||SUBSTR(A.TABLE_NAME,2)||' ('||LISTAGG(A.COLUMN_NAME, ',') WITHIN GROUP (ORDER BY A.COLUMN_POSITION)||')'||CHR(10)||
       (SELECT LOCALITY||CHR(10) FROM DBA_PART_INDEXES C WHERE A.INDEX_NAME = C.INDEX_NAME) ||
       'TABLESPACE '||MAX(B.TABLESPACE_NAME)||(SELECT DEF_TABLESPACE_NAME FROM DBA_PART_INDEXES C WHERE A.INDEX_NAME = C.INDEX_NAME)||CHR(10)||
       'NOLOGGING;'||CHR(10)||
       'ALTER INDEX '||A.INDEX_OWNER||'.'||'Z'||SUBSTR(A.INDEX_NAME,2)||' LOGGING;'
  FROM DBA_IND_COLUMNS A, DBA_INDEXES B
 WHERE INDEX_OWNER = 'CYKADM'
   AND A.INDEX_OWNER = B.OWNER
   AND A.INDEX_NAME = B.INDEX_NAME
   AND A.INDEX_NAME NOT LIKE '%_OLD'
   AND B.TABLE_NAME IN ('TB_MD_XXX'
)
GROUP BY A.INDEX_OWNER,A.TABLE_NAME,A.INDEX_NAME
ORDER BY A.INDEX_OWNER,A.TABLE_NAME,A.INDEX_NAME;
  • PK 인덱스 생성

-- PK CONSTRAINTS: 

SELECT 'ALTER TABLE '||INDEX_OWNER||'.'||'Z'||SUBSTR(A.TABLE_NAME,2)||' ADD CONSTRAINT '||'Z'||SUBSTR(A.INDEX_NAME,2)||' PRIMARY KEY ('||LISTAGG(A.COLUMN_NAME, ',') WITHIN GROUP (ORDER BY A.COLUMN_POSITION)||');'||CHR(10)
  FROM DBA_IND_COLUMNS A
     , DBA_INDEXES B
 WHERE INDEX_OWNER = 'CYKADM'
   AND A.INDEX_OWNER = B.OWNER
   AND A.INDEX_NAME = B.INDEX_NAME
   AND (A.INDEX_NAME LIKE 'PK%' AND A.INDEX_NAME NOT LIKE '%_OLD')
  AND B.TABLE_NAME IN ('TB_MD_XXX')
 GROUP BY A.INDEX_OWNER,A.TABLE_NAME,A.INDEX_NAME
 ORDER BY A.INDEX_OWNER,A.TABLE_NAME,A.INDEX_NAME;
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