Re: Simple SQL Query Question

[novicedba]

you could achieve this using decode     coz I am a novice Oracle Certifiable DBBS ----- Original Message ----- From: ALEMU Abiy To: Multiple recipients of list ORACLE-L Sent: Monday, July 02, 2001 1:00 PM Subject: Simple SQL Query Question I've a table with the following structure and sample data :   Station        Emission_Freq        Reception_Freq --------        -----------------        ------------------ STAT1        192.5                        193.5 STAT2        193    STAT2        194 STAT2        193.5                        194.5 STAT2        195     And I would like to select the number of frequencies, sort of count(*), for a given station and multiply that value by 2 if the station has Emission frequency and reception frequency and multiply by one if the station has only the emission frequency or only the reception frequency.  I don't know how to use a condition in SQL.  I'm sure that it's possible to do it but I don't know how.  Can anybody help me ? ------------------------------------------------------------------------------------ @biy @lemu [EMAIL PROTECTED] Database Administration Engineer France