Re: Alias Table Error...why?

From: <hemantchitale_at_charteredsemi.com>
Date: Mon, 21 Jan 2002 22:52:06 -0800
Message-ID: <F001.003F6AC4.20020121223017@fatcity.com>

Check the
" a.pc_session_user_name = 'tsokol'"
There is no alias "a".

Hemant K Chitale
Principal DBA
Chartered Semiconductor Manufacturing Ltd

"Lance Prais" <lprais_at_ts.checkpoint.com> 22/01/2002 08:15 AM Sent by: root_at_fatcity.com

Please respond to ORACLE-L

                                                                                       
                        
             To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>           
                        
             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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Author: Lance Prais
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Please see the official ORACLE-L FAQ: http://www.orafaq.com
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Author: 
  INET: hemantchitale_at_charteredsemi.com

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Received on Tue Jan 22 2002 - 00:52:06 CST