思路？大哥你几年级的 看条件 where ConID = t.ConID and len (GeoNo) len (t.GeoNo) 把 Insert into tb_Table (GeoNo,Title,ConID) values ('01','北京','1000') Insert into tb_Table (GeoNo,Title,ConID) values ('0101','海淀区','1000') Insert into tb思路？大哥你几年级的看条件where ConID=t.ConID and len (GeoNo)>len (t.GeoNo)把Insert into tb_Table (GeoNo,Title,ConID) values ('01','北京','1000')Insert into tb_Table (GeoNo,Title,ConID) values ('0101','海淀区','1000')Insert into tb_Table (GeoNo,Title,ConID) values ('010101','上地','1000') SQLServer 数据库批量查找替换工具1.2 SQL木马清除助手SQLServer 数据库批量查找替换工具1.2 SQL木马清除助手下载弄成Insert into tb_Table (GeoNo,Title,ConID) values ('010101','上地','1000')这3条的ConID相同，留下GeoNo长度最大的
sqlserver删除数据冗余，高手请解释下！thank you
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