RE: Alias Table Error...why?

From: Lance Prais <lprais_at_ts.checkpoint.com>
Date: Tue, 22 Jan 2002 07:18:41 -0800
Message-ID: <F001.003F702C.20020122062024@fatcity.com>

You are correct but that is not where I am getting the ORA_000904 Invalid Column Error. That was a typo on my part because I originally had the tables named 'a' and 'b' but renamed them for readability and I thought it may correct the error.

It is occurring where I try to join the tables.

Logout.pc_session_id = Launch.pc_session_id.

That is why I am confused about why it is occurring

-----Original Message-----

Peter.McLarty_at_mincom.com
Sent: Monday, January 21, 2002 5:30 PM
To: Multiple recipients of list ORACLE-L

I will have a go at it being

a.pc_session_user_name = 'tsokol'

a doesn't appear to be defined or do you actuall have a table called "a"

Cheers

Peter McLarty               E-mail: Peter.Mclarty_at_mincom.com
Technical Consultant        WWW: http://www.mincom.com
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"Lance Prais" <lprais_at_ts.checkpoint.com> Sent by: root_at_fatcity.com
22/01/2002 10:15 AM
Please respond to ORACLE-L

        To:     Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
        cc:
        Fax to:
        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
INET: lprais_at_ts.checkpoint.com

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Author: Lance Prais
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