Question

我想删除此select查询返回的任何内容：

SELECT  u.*
FROM    (
        SELECT  userName, groupId, MAX(userId) AS maxId
        FROM    userTable
    where userName <> '' and userName is not null
        GROUP BY
                userName, groupId
        HAVING  COUNT(*) > 1
        ) q
JOIN    userTable u
ON      u.userName = q.userName
        AND u.groupId= q.groupId
        AND u.userId <> q.maxId)

我该怎么做？

Answer 1

按以下方式构建您的删除：

DELETE U
FROM U ...
JOIN Q ...
WHERE Foo ...

或者，如果你手头有一个漂亮的查询，你可以这样做：

DELETE Usertable WHERE userId IN (
   SELECT UserID FROM ... /* big complex query here */
)

Answer 2

只需将SELECT u.*替换为DELETE U

从sql server 2000中的select中删除？

2 个答案: