执行SQL: SELECT login_name,login_ip,sex FROM tank_admin GROUP BY login_name ; 时抛出异常。 Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'loser.tank_admin...
![[mysql] Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'loser.tank_admin.login_ip' which is not functionally dependent on columns in GROUP BY clause; this is](https://www.kunjuke.com/file/css/thumb/5.jpg/280-180.jpg)
