If you're using 10g, check out the flashback_transaction_query view. The xid column is the transaction ID number. -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Lex de Haan Sent: Thursday, September 22, 2005 12:50 PM To: dubey.sandeep@xxxxxxxxx; oracle-l@xxxxxxxxxxxxx Subject: RE: Is there a transaction number? why would Oracle keep track of transactions, once they are committed? (apart from read consistency purposes, of course) _____ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Sandeep Dubey Sent: Thursday, September 22, 2005 21:35 To: oracle-l@xxxxxxxxxxxxx Subject: Is there a transaction number? How does Oracle keep track of transactions? Is there a unique transaction number (not scn) assigned to each transactions in the life of database. How can I get that number. I was looking into V$TRANSACTION but could not figure out what is that unique transaction identifier. Thanks Sandeep Privileged/Confidential Information may be contained in this message or attachments hereto. Please advise immediately if you or your employer do not consent to Internet email for messages of this kind. Opinions, conclusions and other information in this message that do not relate to the official business of this company shall be understood as neither given nor endorsed by it.