试试下面的程序
---ABCD是数据库名字
USE MASTER
GO
SP_CONFIGURE 'ALLOW UPDATES',1 RECONFIGURE WITH
OVERRIDE
GO
UPDATE SYSDATABASES SET STATUS =32768 WHERE
NAME='ABCD'
Go
sp_dboption 'ABCD', 'single user', 'true'
Go
DBCC CHECKDB('ABCD')
Go
update sysdatabases set status =28 where name='ABCD'
Go
sp_configure 'allow updates', 0 reconfigure with
override
Go
sp_dboption 'ABCD', 'single user', 'false'
Go