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  • sqlserver查询是否阻塞

    查询当前正在执行的语句

    SELECT 
    der.[session_id],der.[blocking_session_id], 
    sp.lastwaittype,sp.hostname,sp.program_name,sp.loginame, 
    der.[start_time] AS '开始时间', 
    der.[status] AS '状态', 
    dest.[text] AS 'sql语句', 
    DB_NAME(der.[database_id]) AS '数据库名', 
    der.[wait_type] AS '等待资源类型', 
    der.[wait_time] AS '等待时间', 
    der.[wait_resource] AS '等待的资源', 
    der.[logical_reads] AS '逻辑读次数' 
    FROM sys.[dm_exec_requests] AS der 
    INNER JOIN master.dbo.sysprocesses AS sp ON der.session_id=sp.spid 
    CROSS APPLY sys.[dm_exec_sql_text](der.[sql_handle]) AS dest 
    --WHERE [session_id]>50 AND session_id<>@@SPID 
    ORDER BY der.[session_id] 
    GO


    是否堵塞

    SELECT spid,blocked,waittime,waittype,waitresource,p.dbid,cpu,physical_io,memusage,open_tran 
    ,status,login_time,last_batch,hostname,program_name,hostprocess,loginame,cmd,text 
    FROM master.dbo.sysprocesses p CROSS APPLY sys.dm_exec_sql_text(p.sql_handle) s 
    WHERE blocked > 0 OR spid IN(SELECT blocked FROM master.dbo.sysprocesses WHERE blocked > 0) 
    go

     检查锁表

    select   request_session_id   spid,OBJECT_NAME(resource_associated_entity_id) tableName
    from   sys.dm_tran_locks t where resource_type='OBJECT' order by spid asc;

    查询导致死锁的sql语句

    dbcc inputbuffer(spid);

    解锁

    declare @spid  int 
    Set @spid  = 123--锁表进程
    declare @sql varchar(1000)
    set @sql='kill '+cast(@spid  as varchar)
    exec(@sql)

    杀掉进程

    kill spid
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  • 原文地址:https://www.cnblogs.com/zhengyazhao/p/10917575.html
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