The second one does not make sense. Group by is normally used when you are including a function that would return a single value (like sum or count) and yet want to have more than one row returned because you are including a column that is not within the function
so 1 is definitely more correct --- "Seefelt, Beth" <[EMAIL PROTECTED]> wrote: > > Hi everyone, > > Is one of these more correct than the other ? > > 1) select distinct customer_number, address_code from orders; > > 2) select customer_number, address_code > from orders > group by customer_number,address_code; > > > Our developers do the 1st one mostly. It always bothers me, I'm not > sure why, I guess I just think of it as looking ambiguous even though > it > does return the same result as the second option. > > Any opinions? Does it matter at all? > > TIA, > > Beth > __________________________________________________ Do You Yahoo!? Send FREE Valentine eCards with Yahoo! Greetings! http://greetings.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Rachel Carmichael 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).
