select * from s_user t where t.user_name like '%z%'
查询、删除某个字段是空空的
select * from s_user t where t.user_pwd is null
select * from s_user t where t.user_name like '%z%'
select * from s_user t where t.user_pwd is null

被折叠的 条评论
为什么被折叠?