标签：sele count ble select span weight font code tab
select * from table1 t where (select count(*) from table1 where column1=t.column1 AND column2=t.column2 and column3=t.column3)>1
标签：sele count ble select span weight font code tab
原文地址：https://www.cnblogs.com/gonghui2016/p/11910568.html
