Sql数据库查询当前环境有无死锁
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DECLARE @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 print @@ERROR INSERT INTO #tmp_lock_who ( spid , bl ) SELECT 0 , blocked FROM ( SELECT * FROM master..sysprocesses WHERE blocked > 0 ) a WHERE NOT EXISTS ( SELECT * FROM ( SELECT * FROM master..sysprocesses WHERE blocked > 0 ) b WHERE a.blocked = spid ) UNION SELECT spid , blocked FROM master..sysprocesses WHERE blocked > 0 IF @@ERROR <> 0 print @@ERROR -- 找到临时表的记录数 SELECT @intCountProperties = COUNT(*) , @intCounter = 1 FROM #tmp_lock_who IF @@ERROR <> 0 print @@ERROR IF @intCountProperties = 0 SELECT ‘现在没有阻塞和死锁信息‘ AS message -- 循环开始 WHILE @intCounter <= @intCountProperties BEGIN -- 取第一条记录 SELECT @spid = spid , @bl = bl FROM #tmp_lock_who WHERE id = @intCounter BEGIN IF @spid = 0 SELECT ‘引起数据库慢的是: ‘ + CAST(@bl AS VARCHAR(10)) + ‘进程号,其执行的SQL语法如下‘ ELSE SELECT ‘进程号SPID:‘ + CAST(@spid AS VARCHAR(10)) + ‘被‘ + ‘进程号SPID:‘ + CAST(@bl AS VARCHAR(10)) + ‘阻塞,其当前进程执行的SQL语法如下‘ DBCC INPUTBUFFER (@bl ) END -- 循环指针下移 SET @intCounter = @intCounter + 1 END DROP TABLE #tmp_lock_who print 0
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