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----- [EMAIL PROTECTED] 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: [EMAIL PROTECTED] Technical Consultant WWW: http://www.mincom.com APAC Technical Services Phone: +61 (0)7 3303 3461 Brisbane, Australia Mobile: +61 (0)402 094 238 Facsimile: +61 (0)7 3303 3048 ================================================= A great pleasure in life is doing what people say you cannot do. - Walter Bagehot (1826-1877 British Economist) ================================================= Mincom "The People, The Experience, The Vision" ================================================= "Lance Prais" <[EMAIL PROTECTED]> Sent by: [EMAIL PROTECTED] 22/01/2002 10:15 AM Please respond to ORACLE-L To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> 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 -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Lance Prais INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). -- This transmission is for the intended addressee only and is confidential information. If you have received this transmission in error, please delete it and notify the sender. The contents of this e-mail are the opinion of the writer only and are not endorsed by the Mincom Group of companies unless expressly stated otherwise. -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Lance Prais INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
