[SQL]用SQL语句断开某个数据库的所有活动连接

 USE master
 go

 IF EXISTS ( SELECT  *
             FROM    dbo.sysobjects
             WHERE   id = OBJECT_ID(N'[dbo].[P_KillConnections]')
                     AND OBJECTPROPERTY(id, N'IsProcedure') =  )
     DROP PROCEDURE [dbo].[P_KillConnections]
 GO

 CREATE PROC P_KillConnections @dbname VARCHAR()
 AS
     DECLARE @sql NVARCHAR()
     DECLARE @spid NVARCHAR()

     DECLARE #tb CURSOR FOR
     SELECT spid=CAST(spid AS VARCHAR()) FROM master..sysprocesses WHERE dbid=DB_ID(@dbname)
     OPEN #tb
     FETCH NEXT FROM #tb INTO @spid
     WHILE @@fetch_status =
         BEGIN
             EXEC('kill '+@spid)
             FETCH NEXT FROM #tb INTO @spid
         END
     CLOSE #tb
     DEALLOCATE #tb
 go

 --修改一下
 EXEC P_KillConnections '修改成自己的数据库'