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SQL Server Extended Events

SQL Server 2008 Extended Events 3

Now lets create a New Event Session to capture Deadlock Victims


IF EXISTS(SELECT * FROM sys.server_event_sessions WHERE name='Demo_session_Deadlock')
DROP EVENT SESSION Demo_session_Deadlock ON SERVER
GO

-- CREATES THE SESSION
CREATE EVENT SESSION Demo_session_Deadlock
ON SERVER
ADD EVENT
sqlserver.lock_deadlock
( ACTION ( sqlserver.database_id,
sqlserver.client_app_name,
sqlserver.sql_text ) )
ADD TARGET package0.asynchronous_file_target
-- CONFIGURES THE FILE TARGET
(set filename = 'G:Datadata2.xel' , metadatafile = 'G:Datadata2.xem')
GO

-- STARTS THE SESSION
ALTER EVENT SESSION Demo_session_Deadlock ON SERVER STATE = START
GO

Now create a deadlock by using some updates

--DeadLock Simulation
--First Session
begin tran
update [Demo1] set [Column1] = 'abcd'

/*

--Second Session, Run this from Another window… Read the rest

SQL Server 2008 Extended Events 1

SQL Server 2008 Extended Events 1:

This is a new bee article for Extended Events.


--Now quickly searching to view all events based on sql keyword
select * from sys.dm_xe_objects
where OBJECT_type = 'event'
and name like'%sql%'

--Now for viewing all object columns of any events
select * from sys.dm_xe_object_columns
where [object_name] = 'sql_statement_completed'

--To view actions in Extended events
select * from sys.dm_xe_objects
where OBJECT_type = 'action'

Events: The SQL Server code is populated with event calls that which is in disabled state by default. Adding events to a session enables those event calls. Once enabled, they will execute the set of functionality defined by the session.

Target: This is an Extended Event Object that can be used to … Read the rest