Mir, Is this what you are looking? create or replace view my_view as select loginid, delegate_userid, orgid from table1 union select loginid, delegate_userid, orgid from table2 union select loginid, delegate_userid, orgid from table3; select delegate_userid, orgid from my_view where loginid = 'SOMEUSER' Regards Mindaugas Oracle&DB2 DBA ----- Original Message ---- From: Mir M. Mirhashimali <mhyder@xxxxxxxx> To: Alvaro Jose Fernandez <alvaro.fernandez@xxxxxxxxx> Cc: oracle-l@xxxxxxxxxxxxx Sent: Wednesday, September 19, 2007 1:37:32 PM Subject: Re: Parameterized Views Hi Alvaro, I mean i have a SQL statement something like this select delegate_userid, orgid from table1 where loginid = 'SOMEUSER' union select delegate_userid, orgid from table2 where loginid = 'SOMEUSER' union select delegate_userid, orgid from table3 where loginid = 'SOMEUSER' I want to create the above sql as a view and want to pass the 'SOMEUSER' as a parameter to the view. Thanks -- Mir M. Mirhashimali Oracle Systems Manager Database Architecture, Enterprise Applications Rice University (713) 348 6365