"데이터이행 DDL작업"의 두 판 사이의 차이
DB CAFE
1번째 줄: | 1번째 줄: | ||
== 전환 환경 설정 == | == 전환 환경 설정 == | ||
− | + | === (필요시) TEMP 테이블스페이스의 크기 늘려줌 === | |
- 메모리에서 정렬이 모두 이루어지지 않는 경우 TEMP 테이블스페이스의 크기도 늘려줘야 함 | - 메모리에서 정렬이 모두 이루어지지 않는 경우 TEMP 테이블스페이스의 크기도 늘려줘야 함 | ||
- 임시 테이블스페이스를 별도의 큰 tempfile(datafile이 아닌)로 구성(시간 단축) | - 임시 테이블스페이스를 별도의 큰 tempfile(datafile이 아닌)로 구성(시간 단축) | ||
- 오라클 사용자의 TEMPORARY TABLESPACE IMSI 로 변경 | - 오라클 사용자의 TEMPORARY TABLESPACE IMSI 로 변경 | ||
− | + | === (필요시) PGA 영역의 크기를 늘려줌 === | |
- init(spfile)의 Parameter 조정 | - init(spfile)의 Parameter 조정 | ||
- HASH_AREA_SIZE의 1/2을 SORT_AREA_SIZE로 사용 가능 | - HASH_AREA_SIZE의 1/2을 SORT_AREA_SIZE로 사용 가능 | ||
17번째 줄: | 17번째 줄: | ||
</source> | </source> | ||
− | + | === UNUSABLE된 인덱스를 ACCESS하지 않도록 설정(9i 이상) === | |
+ | |||
<source lang=sql> | <source lang=sql> | ||
ALTER SESSION SET SKIP_UNUSABLE_INDEXES = TRUE; | ALTER SESSION SET SKIP_UNUSABLE_INDEXES = TRUE; | ||
</source> | </source> | ||
− | + | === PARALLEL이 가능하도록, SORT영역을 크게, 한번에 읽는 블록의 갯수가 많도록 설정 === | |
+ | |||
<source lang=sql> | <source lang=sql> | ||
ALTER SESSION ENABLE PARALLEL DDL; | ALTER SESSION ENABLE PARALLEL DDL; | ||
36번째 줄: | 38번째 줄: | ||
</source> | </source> | ||
− | == | + | == 작업 대상 추출 == |
- NON PARTITIONED TABLE 먼저 진행 | - NON PARTITIONED TABLE 먼저 진행 | ||
<source lang=sql> | <source lang=sql> | ||
57번째 줄: | 59번째 줄: | ||
</source> | </source> | ||
− | == | + | == ZB TABLE 생성 (FROM ERWIN) == |
− | == | + | == OBJECT 확인 == |
<source lang=sql> | <source lang=sql> | ||
SELECT OWNER, 'T'||SUBSTR(TABLE_NAME,2), COLUMN_NAME, DATA_TYPE, DATA_LENGTH, NULLABLE, DATA_PRECISION,DATA_SCALE | SELECT OWNER, 'T'||SUBSTR(TABLE_NAME,2), COLUMN_NAME, DATA_TYPE, DATA_LENGTH, NULLABLE, DATA_PRECISION,DATA_SCALE | ||
84번째 줄: | 86번째 줄: | ||
− | == | + | == 데이타 COPY == |
<source lang=sql> | <source lang=sql> | ||
SELECT 'INSERT /*+ APPEND */ INTO Z_'||MAX(SUBSTR(A.TABLE_NAME,4))||' NOLOGGING'||CHR(10)|| | SELECT 'INSERT /*+ APPEND */ INTO Z_'||MAX(SUBSTR(A.TABLE_NAME,4))||' NOLOGGING'||CHR(10)|| | ||
98번째 줄: | 100번째 줄: | ||
</source> | </source> | ||
− | == | + | == 인덱스 생성 == |
<source lang=sql> | <source lang=sql> | ||
SELECT 'CREATE '||DECODE(MAX(B.UNIQUENESS),'UNIQUE','UNIQUE')||' INDEX '||A.INDEX_OWNER||'.'||'Z'||SUBSTR(A.INDEX_NAME,2)||CHR(10)|| | SELECT 'CREATE '||DECODE(MAX(B.UNIQUENESS),'UNIQUE','UNIQUE')||' INDEX '||A.INDEX_OWNER||'.'||'Z'||SUBSTR(A.INDEX_NAME,2)||CHR(10)|| | ||
126번째 줄: | 128번째 줄: | ||
; | ; | ||
</source> | </source> | ||
− | == | + | == 권한 부여 SCRIPT 수행 == |
<source lang=sql> | <source lang=sql> | ||
SELECT 'GRANT '||PRIVILEGE||' ON '||OWNER||'.'||TABLE_NAME||' TO '||GRANTEE||';' | SELECT 'GRANT '||PRIVILEGE||' ON '||OWNER||'.'||TABLE_NAME||' TO '||GRANTEE||';' | ||
136번째 줄: | 138번째 줄: | ||
</source> | </source> | ||
− | == | + | == 권한 점검 == |
<source lang=sql> | <source lang=sql> | ||
SELECT GRANTEE, OWNER,TABLE_NAME,GRANTOR,PRIVILEGE | SELECT GRANTEE, OWNER,TABLE_NAME,GRANTOR,PRIVILEGE | ||
149번째 줄: | 151번째 줄: | ||
</source> | </source> | ||
− | == | + | == RENAME 작업 == |
;* T -> XT, Z -> T 전환 (제약사항,테이블명,인덱스 변경 ) | ;* T -> XT, Z -> T 전환 (제약사항,테이블명,인덱스 변경 ) |
2020년 1월 8일 (수) 13:29 판
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- DBA { Oracle DBA 명령어 > DBA 초급 과정 > DBA 고급 과정 }
- 튜닝 { 오라클 튜닝 목록 }
- 모델링 { 데이터 모델링 가이드 }
목차
1 전환 환경 설정[편집]
1.1 (필요시) TEMP 테이블스페이스의 크기 늘려줌[편집]
- 메모리에서 정렬이 모두 이루어지지 않는 경우 TEMP 테이블스페이스의 크기도 늘려줘야 함 - 임시 테이블스페이스를 별도의 큰 tempfile(datafile이 아닌)로 구성(시간 단축) - 오라클 사용자의 TEMPORARY TABLESPACE IMSI 로 변경
1.2 (필요시) PGA 영역의 크기를 늘려줌[편집]
- init(spfile)의 Parameter 조정 - HASH_AREA_SIZE의 1/2을 SORT_AREA_SIZE로 사용 가능
ALTER SESSION SET WORKAREA_SIZE_POLICY = MANUAL;
ALTER SESSION SET SORT_AREA_SIZE = 2147483647;
ALTER SESSION SET SORT_AREA_RETAINED_SIZE = 2147483647;
ALTER SESSION SET HASH_AREA_SIZE = 2147483647;
1.3 UNUSABLE된 인덱스를 ACCESS하지 않도록 설정(9i 이상)[편집]
ALTER SESSION SET SKIP_UNUSABLE_INDEXES = TRUE;
1.4 PARALLEL이 가능하도록, SORT영역을 크게, 한번에 읽는 블록의 갯수가 많도록 설정[편집]
ALTER SESSION ENABLE PARALLEL DDL;
ALTER SESSION ENABLE PARALLEL DML;
ALTER SESSION SET WORKAREA_SIZE_POLICY=MANUAL;
ALTER SESSION SET SORT_AREA_SIZE=512000000;
ALTER SESSION SET SORT_AREA_RETAINED_SIZE=512000000;
ALTER SESSION SET DB_FILE_MULTIBLOCK_READ_COUNT=256;
ALTER SESSION SET "_sort_multiblock_read_count" = 128;
ALTER SESSION SET "_db_file_optimizer_read_count" = 128;
ALTER SESSION SET "_db_file_exec_read_count" = 128;
ALTER SESSION SET "_serial_direct_read" = TRUE;
2 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;
3 ZB TABLE 생성 (FROM ERWIN)[편집]
4 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')
;
5 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');
6 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
;
7 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'
);
8 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');
9 RENAME 작업[편집]
- T -> XT, Z -> T 전환 (제약사항,테이블명,인덱스 변경 )
- CONSTRAINT 백업 PK -> XPK 로
- 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;