摘要: 今天用到GROUP BY 语句查询时com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Expression #2 of SELECT list is not in GROUP BY clause and contains错误。 经执 阅读全文
posted @ 2017-03-08 00:58 DoCted 阅读(168) 评论(0) 推荐(0) 编辑