Oracle 怎麼刪除重複數據

一、根據rowid來查詢重複數據web select * from table1 a where rowid !=(select max(rowid) from table1 b where a.name1=b.name1 ) 二、根據rowid來刪除重複數據sql delete from table1 a where rowid !=(select max(rowid) from table1

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