Oracle 删除重复数据
摘要:--查看重复数据的条数 select count(*) ,count(distinct ROLE_ID||TARGET_ID )from P_SYS_FUNC_ROLE --删除重复的数据 delete from P_SYS_FUNC_ROLE a where rowid>(select min(b
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posted @ 2020-08-21 16:21
posted @ 2020-08-21 16:21