安装了mysql5.7,用group by 查询时抛出如下异常: Expression # of SELECT list is not in GROUP BY clause and contains nonaggregated column 'userinfo.t_long.user_name' which is not functionally depende...
2023-04-25编程教程expression,group,List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...
2023-04-25编程教程clause,group,nonaggregated我想得到大于男女平均年龄的人 原表: 在gauss200下执行以下语句: SELECT stname,age,gender,AVG(age) FROM att_test01 GROUP BY gender HAVING age > AVG(age); 报错:column att_test01.stname must appea...
2023-03-07编程教程column,group,postgresql