/*
通過SQL 語句備份數據庫
*/
BACKUP DATABASE mydb
TO DISK ='C:/DBBACK/mydb.BAK'
--這里指定需要備份數據庫的路徑和文件名,注意:路徑的文件夾是必須已經創建的.文件名可以使用日期來標示
/*
通過SQL語句還原數據庫
*/
USE master
RESTORE DATABASE mydb
FROM DISK='C:/DBBACK/mydb.BAK'
WITH REPLACE

--Kill掉訪問某個數據庫的連接
CREATE PROC KillSpid(@DBName varchar)
AS
BEGIN
DECLARE @SQL varchar
DECLARE @SPID int
SET @SQL='DECLARE CurrentID CURSOR FOR
SELECT spid FROM sysprocesses WHERE dbid=db_id('''+@DBName+''') '
FETCH NEXT FROM CurrentID INTO @SPID
WHILE @@FETCH_STATUS <>-1
BEGIN
exec('KILL '+@SPID)
FETCH NEXT FROM CurrentID INTO @SPID
END
CLOSE CurrentID
DEALLOCATE CurrentID
END

SP_DBOPTION @DBName,'single user','true'