SELECT sex,age FROM users GROUP BY 1 HAVING age>35; 報錯1055
SELECT?sex,age?FROM?users?GROUP?BY?1?HAVING?age>35;? 運行會報錯: 1055?-?Expression?#2?of?SELECT?list?is?not?in?GROUP?BY?clause?and?contains? nonaggregated?column?'imooc.users.age'?which?is?not?functionally?dependent? on?columns?in?GROUP?BY?clause;?this?is?incompatible?with?sql_mode=only_full_group_by
請大佬們幫忙看下為啥代碼和老師的一樣,卻運行報錯,謝謝!
2020-02-07
https://blog.csdn.net/u011409644/article/details/73611102
2019-12-07
age 必須也指定分組? GROUP BY 1 2