[EMAIL PROTECTED] wrote: > > Hello list, > Can someone please explain to me why the following order by clauses are > valid and yield the same results : > > select empno, deptno from emp > order by sqrt (1) ; > > and > > select empno, deptno from emp > order by sqrt ( 3.14234 ) ; > > The docs say that in the order by clause you could specify only (a) column > names or (b) positional parameters or (c) expressions involving the columns >
A constant falls under the c) category. It's an expression, which involves anything you want. That said, I fail to see any practical use . -- Regards, Stephane Faroult Oriole Software -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Stephane Faroult 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).
