[Err] 1055 - Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated colum

官方说法html https://dev.mysql.com/doc/refman/5.7/en/group-by-handling.htmlmysql 1、查询mysql 相关modesql 一、show variables like '%sql_mode%'命令 spa 二、select version(), @@sql_mode 命令 3d 查询出的数据以下图: htm 2、经过select
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