sys.dm_tran_session_transactions DMV (Dynamic Management View), described by BOL as follows: http://msdn.microsoft.com/en-us/library/ms188739.aspx
Returns correlation information for associated transactions and sessions.
This DMV helps in correlating the relation between session & transaction. We can get several details about transaction by correcting it will other DMVs & system catalogs.
Query 1 : Query to check Transaction & Session details
WHEN 0 THEN ‘SYSTEM TRANSACTION’
WHEN 1 THEN ‘USER TRANSACTION’ END AS USER_OR_SYSTEM_TRANSACTION,
WHEN 0 THEN ‘DISTRIBUTED TRANSACTION’
WHEN 1 THEN ‘LOCAL TRANSACTION’ END AS TRANSACTION_ORIGIN,
ON SP.SPID = ST.SESSION_ID
1. Meaning of int value for is_user_transaction column
a. 1 = The transaction was initiated by a user request.
b. 0 = System transaction.
2. All possible state of transactions for is_local coulmn
a. 1 = Local transaction.
b. 0 = Distributed transaction or an enlisted bound session transaction.
3. To use this DMV, User required VIEW SERVER STATE permission on the server.
4. TRANSACTION_ID > 1000 & SESSION_ID > 50 is used for user transactions & sessions.
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Reference : Rohit Garg (http://mssqlfun.com/)