ORACLE MERGE INTO DELETE

ORACLE MERGE INTO DELETEORACLEMERGEINTODELETE注意源表和目标表数据都要唯一mergeintoPERSONCERTIFICATEBAKbusing(selectidsfromperson_cer_dele)uon(b.id=u.ids)whenmatchedthenupdatesetb.personguid=b.personguiddelet…

ORACLE MERGE INTO DELETE

  • 注意源表和目标表数据都要唯一
merge into PERSONCERTIFICATEBAK b
using (select ids from person_cer_dele ) u
on (b.id = u.ids)
when matched then 
update set b.personguid = b.personguid
delete where (b.id = u.ids);

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