DELETe FROM dupes aWHERe a.ctid <> (SELECt min(b.ctid) FROM dupes b WHERe a.key = b.key);
上一篇 加入客户和标签表
下一篇 UNIOn vs DISTINCT的表现
版权所有 (c)2021-2022 MSHXW.COM
ICP备案号:晋ICP备2021003244-6号