SQL delete in 配合使用 为什么无法删除
select * from ccc where SSQ_CHA in(select SSQ_CHA from ssqcha where SSQ_SUM>27)
能查询
select SSQ_CHA from ssqcha where SSQ_SUM>27
就 1条数据
delete from ccc where SSQ_CHA in(select SSQ_CHA from ssqcha where SSQ_SUM>27)
无法删
为什么 半天没有反应?