distinct去掉重复问题，先谢啦~
SELECT DISTINCT type FROM user ORDER BY ID DESC这句话报错，说一定把ID放在type的后面但是放进去之后它就会有重复的出现，distinct就不起作用了，我想按照ID降序排列然后显示不重复的type，该怎么写呢？先谢啦！

[解决办法]
--看错，改下

SELECT type FROM [user] group by type ORDER BY min(ID) DESC