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목록database (1)
Dev_duri
SQL 비교 (ORACLE, VERTICA)
ORACLE SELECT * FROM TABLE_1 A, TABLE_2 B WHERE A.COL1 = B.COL1(+) AND A.COL2 = B.COL2(+) VERTICA SELECT * FROM TABLE_1 A LEFT JOIN TABLE_2 B ON A.COL1 = B.COL2 AND A.COL2 = B.COL2 - Vertica doesn't support more than 1 level of correlated sub-queries. - You should convert them into JOINs. - Vertica SubQuery 제약에 대한 공식문서 내용 : https://www.vertica.com/docs/9.2.x/HTML/Content/Au..
database
2023. 5. 8. 14:56