Try following: Select t.*,t.RowId
, CONTR_ROWS_MG - CONTR_ROWS_GROSS_RECEIVED OutStanding , CONTRACT_SALESAGENT_PERCENTAGE * CONTR_ROWS_GROSS_RECEIVED / 100 AgentShare ,CONTRACT_SHARE_FIXED OtherShareFixed ,CONTRACT_SHARE_PERCENTAGE * CONTR_ROWS_GROSS_RECEIVED /100 OtherSharePercentage ,(CONTRACT_SALESAGENT_PERCENTAGE * CONTR_ROWS_GROSS_RECEIVED / 100)*2 AgentShare2 From Contract_Rows T,Contract Where Contract.Contract_Unique = t.contr_rows_contract_unique Volker Schoen E-Mail: mailto:[EMAIL PROTECTED] http://www.inplan.de -----Ursprüngliche Nachricht----- Von: Zsolt Csillag [mailto:[EMAIL PROTECTED]] Gesendet: Donnerstag, 19. Dezember 2002 14:44 An: Multiple recipients of list ORACLE-L Betreff: Sql problem Hi, The following select does not work, I get ORA-00904 error message that the AgentShare column does not exists. It would be painful to write down every calculation many times because I can't make a reference to a previous calculated colunm. Select t.*,t.RowId , CONTR_ROWS_MG - CONTR_ROWS_GROSS_RECEIVED OutStanding , CONTRACT_SALESAGENT_PERCENTAGE * CONTR_ROWS_GROSS_RECEIVED / 100 AgentShare ,CONTRACT_SHARE_FIXED OtherShareFixed ,CONTRACT_SHARE_PERCENTAGE * CONTR_ROWS_GROSS_RECEIVED /100 OtherSharePercentage ,AgentShare *2 From Contract_Rows T,Contract Where Contract.Contract_Unique = t.contr_rows_contract_unique Thank you in advance Zsolt Csillag, Hungary -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Zsolt Csillag INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- 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.net -- Author: INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- 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).