摘要:
使用group by分组时,查询字段没有分组的字段就会报错 [Err] 1055 - Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.user.id' whi 阅读全文
摘要:
mysql5.7使用group by分组时,查询字段没有分组的字段就会报错 [Err] 1055 - Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.user 阅读全文