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목록DB/Oracle (88)
develog
[Oracle] 중복 데이터 제거
SELECT ROWID, C.*--DELETEFROM AATEST CWHERE C.ROWID IN ( SELECT B.ROWID FROM ( SELECT ROW_NUMBER() OVER(PARTITION BY TITLE ORDER BY REG_TS) RNUM, ROWID, A.* FROM AATEST A ) B WHERE RNUM = 2);
DB/Oracle
2017. 6. 13. 12:10
[Oracle] 컬럼 순서 변경
CREATE TABLE TB_AA_TMP ASSELECT COL3, COL2, COL1FROM TB_AA; DROP TABLE TB_AA; RENAME TB_AA_TMP TO TB_AA;
DB/Oracle
2017. 4. 28. 18:07
[Oracle] index 비활성
ALTER INDEX IDX_01 UNUSABLE;ALTER INDEX IDX_01 REBUILD; SELECT INDEX_NAME, TABLE_NAME, STATUSFROM USER_INDEXESWHERE INDEX_NAME = 'IDX_01';
DB/Oracle
2017. 4. 28. 14:38
[Oracle] insert all
INSERT ALL INTO AATEST (SEQ, TITLE) VALUES (1, '11') INTO AATEST (SEQ, TITLE) VALUES (2, '22') INTO AATEST (SEQ, TITLE) VALUES (3, '33') SELECT 1 FROM DUAL ;
DB/Oracle
2017. 4. 13. 17:10