Check the
" a.pc_session_user_name = 'tsokol'"
There is no alias "a".
Hemant K Chitale
Principal DBA
Chartered Semiconductor Manufacturing Ltd
"Lance Prais" <[EMAIL PROTECTED]> 22/01/2002 08:15 AM
Sent by: [EMAIL PROTECTED]
Please respond to ORACLE-L
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc: (bcc: CHITALE Hemant Krishnarao/Prin DBA/CSM/ST Group)
Subject: Alias Table Error...why?
I have the following SQL Statement but am getting and ORA-00904 Invalid
Column Error. What Could I be doing wrong?
SELECT
Launch.oc_session_id
FROM
pt_client_eventdetails launch,
pt_client_eventdetails logout
WHERE
a.pc_session_user_name = 'tsokol'
and (logout.pc_event_op = 'LAUNCH' and logout.pc_event_op <> 'LOGOUT'
and
logout.pc_event_op <> 'SOLUTION_VIEWED')
and launch.pc_session_id = logout.pc_session_id
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