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/*-----------------------------------------------------------------------------------------------------------------------
名　　稱：查看死锁情況
調用對像：
備註說明：
修改日志：
程式作者：XXXXX
-----------------------------------------------------------------------------------------------------------------------*/
CREATE PROCEDURE [dbo].[sp_who_lock]
AS
BEGIN
    SET NOCOUNT ONDECLARE @spid int,@bl int,@intTransactionCountOnEntry int,@intRowcount int,@intCountProperties int,@intCounter int
       CREATE TABLE #tmp_lock_who 
    ( 
          id int identity(1,1), 
           spid smallint, 
          bl smallint
    )IF @@ERROR<>0 RETURN @@ERRORINSERT INTO #tmp_lock_who(spid,bl)
    SELECT 0 ,blocked 
    FROM (SELECT * FROM sysprocesses WHERE blocked>0 ) a 
    WHERE not exists(SELECT * FROM (SELECT * FROM sysprocesses WHERE blocked>0 ) b 
    WHERE a.blocked=spid) 
    UNION SELECT spid,blocked FROM sysprocesses WHERE blocked>0IF @@ERROR<>0 RETURN @@ERROR--找到臨時表的記錄數 
    SELECT @intCountProperties = Count(*),@intCounter = 1 FROM #tmp_lock_whoIF @@ERROR<>0 RETURN @@ERRORIF @intCountProperties=0 
        SELECT '現在沒有阻塞和死鎖信息' as Message--循環開始 
    WHILE @intCounter <= @intCountProperties 
    BEGIN 
        --取第一條記錄 
        SELECT @spid = spid,@bl = bl 
        FROM #tmp_lock_who WHERE Id = @intCounter 
        BEGIN 
            IF @spid =0 
                SELECT '引起數據庫死鎖的是: '+ CAST(@bl AS VARCHAR(10)) + '進程號,其執行的SQL語法如下' 
            ELSE 
                SELECT '進程號SPID：'+ CAST(@spid AS VARCHAR(10))+ '被' + '進程號SPID：'+ CAST(@bl AS VARCHAR(10)) +'阻塞,其當前進程執行的SQL語法如下' DBCC INPUTBUFFER (@bl ) 
        END --循環指針下移 
        SET @intCounter = @intCounter + 1 
    END DROP TABLE #tmp_lock_who RETURN 0 SET NOCOUNT OFF
END
GO

/*-----------------------------------------------------------------------------------------------------------------------
名　　稱：資料庫備份
調用對像：
備註說明：
修改日志：
程式作者：XXX
EXEC UP_DataBase_Backup 'IVT','D:\DB_BAK\'
-----------------------------------------------------------------------------------------------------------------------*/
CREATE PROCEDURE [dbo].[UP_DataBase_Backup]
(
    @databsename VARCHAR(100),
    @todiskpath VARCHAR(200)
)
AS
BEGIN
    SET NOCOUNT ONDECLARE @filename VARCHAR(100)
    SET @filename=@databsename+'_'+CONVERT(VARCHAR(10),GETDATE(),112)+'.bak'SET @todiskpath=@todiskpath+@filename
    backup   database   @databsename   to   disk=@todiskpathSET NOCOUNT OFF
END
GO

/*-----------------------------------------------------------------------------------------------------------------------
名　　稱：清除資料庫log
調用對像：
備註說明：注意,此存儲過程在建在master數據庫中
修改日志：
程式作者：XXXXX
-----------------------------------------------------------------------------------------------------------------------*/
CREATE PROCEDURE [dbo].[shrink_db]
(
    @db_name varchar(100)----數據庫名稱
)
AS
BEGIN
    SET NOCOUNT ON----1.清空日志
    dump transaction @db_name  with  no_log
    --2.截断事务日志
    backup log @db_name with no_log
    --3.收缩数据库文件(如果不压缩,数据库的文件不会减小
    dbcc shrinkdatabase(@db_name)
    --4.设置自动收缩
    --exec sp_dboption @db_name,autoshrink,true
    
    SET NOCOUNT OFF
END
GO