SQL Server-查询帮助

我有以下三张桌子

Teams (TeamID int, TeamName varchar(200)) - TeamID is identity col
Users (UserID int, Username varchar(200)) - UserID is identity col
UsersTeams (ID int, UserID int, TeamID int) - Table has FK references to the 2 tables above

UsersTeams表用于记录用户所属的所有团队。 我想找到一种方法，在给定用户id的情况下，列出一个用户不是其成员的所有团队

有人能帮忙吗

---

关于您可以使用

不存在
：

DECLARE @UserID INT;

SET @UserID = 1;

SELECT
  *
FROM Teams
WHERE TeamID NOT IN (SELECT TeamID FROM UserTeams WHERE UserID = @UserID)

select  *
from    teams t
where   not exists
        (
        select  *
        from    UserTeams ut
        join    User u
        on      u.UserId = ut.UserId
        where   t.TeamId = ut.TeamID
                and Users.Username = 'TheUser'
        )

您可以使用
不存在
：

select  *
from    teams t
where   not exists
        (
        select  *
        from    UserTeams ut
        join    User u
        on      u.UserId = ut.UserId
        where   t.TeamId = ut.TeamID
                and Users.Username = 'TheUser'
        )

具有条件的联接可能会执行得更好

DECLARE @UserID INT
SET @UserID = 1   

SELECT Teams.TeamID, Teams.TeamName FROM Teams
INNER JOIN UsersTeams 
ON Teams.TeamID <> UsersTeams.TeamID
WHERE UsersTeams.UserID = @UserID

DECLARE@UserID INT
设置@UserID=1
从团队中选择Teams.TeamID、Teams.TeamName
内部连接用户流
在Teams.TeamID UsersTeams.TeamID上
其中userstreams.UserID=@UserID
具有条件的联接可能会执行得更好

DECLARE @UserID INT
SET @UserID = 1   

SELECT Teams.TeamID, Teams.TeamName FROM Teams
INNER JOIN UsersTeams 
ON Teams.TeamID <> UsersTeams.TeamID
WHERE UsersTeams.UserID = @UserID

DECLARE@UserID INT
设置@UserID=1
从团队中选择Teams.TeamID、Teams.TeamName
内部连接用户流
在Teams.TeamID UsersTeams.TeamID上
其中userstreams.UserID=@UserID
由于我们没有DDL，技术上比不在方法更安全：）由于我们没有DDL，技术上比不在方法更安全：）谢谢大家的帮助。谢谢大家的帮助。