/* This Transact-SQL script list all locks with details currently existing in the selected datadase. With this script you can - who is locking which objects - check exclusive locked object - watching lock escalation during long running DML statements, e.g. from key to page to object lock - watch what happens when you run a DBCC command like IndexDefrag or ShrinkDatabase - which index is used to validate a (foreign key) constraint Works with SQL Server 2005 and higher versions in all editions. Requires VIEW SERVER STATE permission on the server. Links: sys.dm_tran_locks: http://msdn.microsoft.com/en-us/library/ms190345.aspx */ -- List all Locks of the Current Database SELECT TL.resource_type AS ResType ,TL.resource_description AS ResDescr ,TL.request_mode AS ReqMode ,TL.request_type AS ReqType ,TL.request_status AS ReqStatus ,TL.request_owner_type AS ReqOwnerType ,TAT.[name] AS TransName ,TAT.transaction_begin_time AS TransBegin ,DATEDIFF(ss, TAT.transaction_begin_time, GETDATE()) AS TransDura ,ES.session_id AS S_Id ,ES.login_name AS LoginName ,COALESCE(OBJ.name, PAROBJ.name) AS ObjectName ,PARIDX.name AS IndexName ,ES.host_name AS HostName ,ES.program_name AS ProgramName FROM sys.dm_tran_locks AS TL INNER JOIN sys.dm_exec_sessions AS ES ON TL.request_session_id = ES.session_id LEFT JOIN sys.dm_tran_active_transactions AS TAT ON TL.request_owner_id = TAT.transaction_id AND TL.request_owner_type = 'TRANSACTION' LEFT JOIN sys.objects AS OBJ ON TL.resource_associated_entity_id = OBJ.object_id AND TL.resource_type = 'OBJECT' LEFT JOIN sys.partitions AS PAR ON TL.resource_associated_entity_id = PAR.hobt_id AND TL.resource_type IN ('PAGE', 'KEY', 'RID', 'HOBT') LEFT JOIN sys.objects AS PAROBJ ON PAR.object_id = PAROBJ.object_id LEFT JOIN sys.indexes AS PARIDX ON PAR.object_id = PARIDX.object_id AND PAR.index_id = PARIDX.index_id WHERE TL.resource_database_id = DB_ID() AND ES.session_id <> @@Spid -- Exclude "my" session -- optional filter AND TL.request_mode <> 'S' -- Exclude simple shared locks ORDER BY TL.resource_type ,TL.request_mode ,TL.request_type ,TL.request_status ,ObjectName ,ES.login_name;
