查询死锁数据库

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(t.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) t
WHERE  p.blocked = 0 
       AND EXISTS (SELECT 1 
                   FROM   MASTER.dbo.sysprocesses p1 
                   WHERE  p1.blocked = p.spid)
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(t.TEXT AS VARCHAR(MAX)) 
FROM   MASTER.dbo.sysprocesses p 
       INNER JOIN MASTER.dbo.sysdatabases d