mysql 8解决group by 不支持
mysql5.7及以后的版本 select查询字段未出现在group by 中是会报错的 需要在命令行中执行以下命令:
这只是单次生效,重启Mysql后会失效,如果要永久生效需要修改my.cnf
set @@global.sql_mode=‘STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION‘;
set @@session.sql_mode=‘STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION‘;
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