SqlServer执行SQL被block的操作

有用的帖子链接：

http://www.dotblogs.com.tw/ricochen/archive/2012/07/10/73316.aspx

http://technet.microsoft.com/en-us/library/ms175519(v=sql.105).aspx


有用的查询或指令：

1.被block的sql

SELECT SPID=p.spid,
       DBName = convert(CHAR(20),d.name),
       ProgramName = program_name,
       LoginName = convert(CHAR(20),l.name),
       HostName = convert(CHAR(20),hostname),
       Status = p.status,
       BlockedBy = p.blocked,
       LoginTime = login_time,
       QUERY = CAST(TEXT AS VARCHAR(MAX))
FROM   MASTER.dbo.sysprocesses p
       INNER JOIN MASTER.dbo.sysdatabases d
         ON p.dbid = d.dbid
       INNER JOIN MASTER.dbo.syslogins l
         ON p.sid = l.sid
       CROSS APPLY sys.dm_exec_sql_text(sql_handle)
WHERE  p.blocked = 0
       AND EXISTS (SELECT 1
                   FROM   MASTER..sysprocesses p1
                   WHERE  p1.blocked = p.spid)

2.查找当前客户端和执行sql？

sp_who2

3.脏读：

select *from Table_1(nolock)

4.spid的信息查询

DBCC INPUTBUFFER(62)

5.表锁信息

sp_lock
select * from sys.objects where object_id='802101898'