List can you please explain to me why select empno from emp order by empno ;
is the same as select empno from emp order by sqrt(3.14); but not the same as select empno from emp order by dbms_random.value; What does sort by a random value do ? and why isn't dbms_random.value in the documentation for 9i Release 2 ? ----- Original Message ----- To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]> Sent: Monday, December 29, 2003 03:34 > [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). > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: <[EMAIL PROTECTED] 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).
