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마이그레이션

DB CAFE

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1 Oracle DB 마이그레이션 작업순서[편집]

1.1 소스 DB 작업[편집]

1.1.1 [소스] 오브젝트 갯수 계산[편집]

SELECT OWNER OW
, SUM(DECODE(OBJECT_TYPE,'TABLE',1,0)) TBL
, SUM(DECODE(OBJECT_TYPE,'INDEX',1,0)) IND
, SUM(DECODE(OBJECT_TYPE,'SYNONYM',1,0)) SYN
, SUM(DECODE(OBJECT_TYPE,'SEQUENCE',1,0)) SQN
, SUM(DECODE(OBJECT_TYPE,'CLUSTER',1,0)) CLU
, SUM(DECODE(OBJECT_TYPE,'DATABASE LINK',1,0)) TBL
, SUM(DECODE(OBJECT_TYPE,'PACKAGE',1,0)) IND
, SUM(DECODE(OBJECT_TYPE,'PACKAGE BODY',1,0)) SYN
, SUM(DECODE(OBJECT_TYPE,'PROCEDURE',1,0)) SQN
, SUM(DECODE(OBJECT_TYPE,'FUNCTION',1,0)) CLU
FROM DBA_OBJECTS
GROUP BY OWNER
HAVING OWNER NOT IN ('SYS','SYSTEM','SCOTT','','','','','','')
ORDER BY 1
;

1.1.2 [소스] INVALIED 상태인 오프젝트 갯수 확인[편집]

SELECT OWNER
, OBJECT_NAME
, OBJECT_TYPE
, STATUS
FROM DBA_OBJECTS
WHERE STATUS = 'INVALID'
AND OWNER NOT IN ('SYS','SYSTEM','SCOTT','','','','','','')
ORDER BY 1
;

1.1.3 [소스] TABLESPACE,USER,ROLE,SYNONYM 생성.[편집]

EXECUTE DBMS_METADATA.SET_TRANSFORM_PARAM(DBMS_METADATA.SESSION_TRANSFORM,'SQLTERMINATOR',TRUE);
EXECUTE DBMS_METADATA.SET_TRANSFORM_PARAM(DBMS_METADATA.SESSION_TRANSFORM,'STORAGE',FALSE);
EXECUTE DBMS_METADATA.SET_TRANSFORM_PARAM(DBMS_METADATA.SESSION_TRANSFORM,'CONSTRAINTS',FALSE);
EXECUTE DBMS_METADATA.SET_TRANSFORM_PARAM(DBMS_METADATA.SESSION_TRANSFORM,'REF_CONSTRAINTS',FALSE);

1.1.4 [소스] tablespace 생성 스크립트 추출 및 생성[편집]

SPOOL TABLESPACE.SQL
SELECT DBMS_METADATA.GET_DDL('TABLESPACE',TABLESPACE_NAME) AS DDL
FROM DBA_TABLESPACES
WHERE TABLESPACE_NAME NOT IN ('SYS','SYSAUC','SYSTEM','TEMP','USERS','TOOLS'),(SELECT VALUE FROM V$PARAMETER WHERE NAME ='undo_tablespace'));
SPOOL OFF;

HOST perl -e's/^//g' TABLESPACE.SQL
HOST perl -e's/$//g' TABLESPACE.SQL

1.1.5 [소스] user 생성 스크립트[편집]

SPOOL USER.SQL
SELECT DBMS_METADATA.GET_DDL('USER',USERNAME) AS DDL
FROM DBA_USERS
WHERE USERNAME NOT IN ('SYS','SYSTEM','SCOTT','WMSYS','ORDSYS','MDSYS','','');
SPOOL OFF;
HOST perl -e's/^//g' USER.SQL
HOST perl -e's/$//g' USER.SQL

1.1.6 [소스] role 생성 스크립트[편집]

SPOOL ROLE.SQL
SELECT DBMS_METADATA.GET_DDL('ROLE_GRANT',USERNAME)
FROM DBA_USERS
WHERE USERNAME NOT IN ('SYS','SYSTEM','SCOTT','WMSYS','ORDSYS','MDSYS','','');
SPOOL OFF;
HOST perl -e's/^//g' ROLE.SQL
HOST perl -e's/$//g' ROLE.SQL

1.1.7 [소스] 시스템 권한 생성 스크립트[편집]

SPOOL SYSTEM.SQL
SELECT DBMS_METADATA.GET_DDL('SYSTEM_GRANT',USERNAME)
FROM DBA_USERS
WHERE USERNAME NOT IN ('SYS','SYSTEM','SCOTT','WMSYS','ORDSYS','MDSYS','','');
SPOOL OFF;
HOST perl -e's/^//g' SYSTEM.SQL
HOST perl -e's/$//g' SYSTEM.SQL

1.1.8 [소스] 시노님 생성 스크립트[편집]

SPOOL SYNONYM.SQL
CREATE 'CREATE PUBLIC SYNONYM' || SYNONYM_MAME || ' FOR ' || TABLE_OWNER ||'.'|| TABLE_NAME ||';'
FROM DBA_SYNONYMS
WHERE OWNER = 'PUBLIC'
AND TABLE_OWNER NOT IN ('SYS','SYSTEM','SCOTT','WMSYS','ORDSYS','MDSYS','','');

CREATE 'CREATE SYNONYM' || SYNONYM_MAME || ' FOR ' || TABLE_OWNER ||'.'|| TABLE_NAME ||';'
FROM DBA_SYNONYMS
WHERE TABLE_OWNER NOT IN ('SYS','SYSTEM','SCOTT','WMSYS','ORDSYS','MDSYS','','');

SPOOL OFF;
HOST perl -e's/^//g' SYNONYM.SQL
HOST perl -e's/$//g' SYNONYM.SQL

1.1.9 [소스] CHARTER SET 확인[편집]

select * from nls_database_parameters;

1.1.10 [소스] EXPORT 이전할 데이터 백업[편집]

expdp

1.2 타겟 DB 작업[편집]

1.2.1 [타겟]Target DB 생성[편집]

원본소스의 문자셋과일치 해야함

1.2.2 [타겟] 테이블스페이스,유저,롤,시노님 딕셔너리 생성[편집]

1.2.3 [타겟] Import 진행[편집]

1.2.4 [타겟]utlrp스크립트 실행[편집]

-- 오브젝트중에서 상태가 사용못한 상태인것을 찾아서 재컴파일해주는 역활

@?/rdbms/admin/utlrp.sql

1.2.5 [타겟] 타겟 DB 오브젝트 갯수 확인[편집]

SELECT OWNER OW
, SUM(DECODE(OBJECT_TYPE,'TABLE',1,0)) TBL
, SUM(DECODE(OBJECT_TYPE,'INDEX',1,0)) IND
, SUM(DECODE(OBJECT_TYPE,'SYNONYM',1,0)) SYN
, SUM(DECODE(OBJECT_TYPE,'SEQUENCE',1,0)) SQN
, SUM(DECODE(OBJECT_TYPE,'CLUSTER',1,0)) CLU
, SUM(DECODE(OBJECT_TYPE,'DATABASE LINK',1,0)) TBL
, SUM(DECODE(OBJECT_TYPE,'PACKAGE',1,0)) IND
, SUM(DECODE(OBJECT_TYPE,'PACKAGE BODY',1,0)) SYN
, SUM(DECODE(OBJECT_TYPE,'PROCEDURE',1,0)) SQN
, SUM(DECODE(OBJECT_TYPE,'FUNCTION',1,0)) CLU
FROM DBA_OBJECTS
GROUP BY OWNER
HAVING OWNER NOT IN ('SYS','SYSTEM','SCOTT','','','','','','')
ORDER BY 1
;

1.2.6 [타겟] invaild 갯수 확인[편집]

SELECT OWNER
, OBJECT_NAME
, OBJECT_TYPE
, STATUS
FROM DBA_OBJECTS
WHERE STATUS = 'INVALID'
AND OWNER NOT IN ('SYS','SYSTEM','SCOTT','','','','','','')
ORDER BY 1
;