查找阻塞

SELECT
             s.spid, BlockingSPID = s.blocked, DatabaseName = DB_NAME(s.dbid),
             s.program_name, s.loginame, ObjectName = OBJECT_NAME(objectid,                      s.dbid), Definition = CAST(text AS VARCHAR(MAX))
 INTO        #Processes
 FROM      sys.sysprocesses s --where s.spid=1300
 CROSS APPLY sys.dm_exec_sql_text (sql_handle)
 WHERE s.spid >50

select *From #processes where blockingspid<>0