标签:bsp count mysq value test 查询 mys 方法 having
select username,count(*) as count from hk_test group by username having count>1;
select username,count(*) as count from hk_test group by username having count>
1
;
mysql查询表里的重复数据方法
原文地址:https://www.cnblogs.com/xujiating/p/11888183.html