导读:
1 create table test(coltest varchar(20))
2 实现这一功能 的 sql 语句
select * from test group by coltest having count(*) > 1
本文转自
http://study.qqcf.com/web/254/32174.htm
1 create table test(coltest varchar(20))
2 实现这一功能 的 sql 语句
select * from test group by coltest having count(*) > 1
本文转自
http://study.qqcf.com/web/254/32174.htm