最初,我需要构建一个查询,从一个按最新sites (articles放在单独表中的日期)排序的表中提取articles。但是我收到了#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL serverversion for the right syntax to use near 'GROUP BYsites.idLIMIT 0, 30' at line 7的MySQL错误
如果我将GROU
我有一个类似这样的MySQL查询: MAX(messages.ID) as maxID, messages.readGROUP BY ORDER BY虽然这样可以很好地工作,并且消息按降序发送的用户进行分组,但是当我想要按messages.readmessages.from messages.read ASC,
但我很困惑:insert into users values(1, 100), (2, 101), (3, 100);| id | type || 3 | 100 |+------+------+MySQL版本5.7返回:
mysql> select * from (select * from users order by