And, can you have two columns as arguements for COUNT? I guess its either one column or rows....
+Rachna ----- Original Message ----- To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]> Sent: Wednesday, January 29, 2003 1:19 PM > Hello Listers, > > How to find out the COUNT of DISTINCT values of multiple columns? > > For eg. > > SQL> SELECT DISTINCT ename FROM emp; > -- This works. > > SQL> SELECT COUNT(DISTINCT ename) FROM emp; > -- So does this. > > SQL> SELECT DISTINCT ename, job FROM emp; > -- And this too. > > SQL> SELECT COUNT(DISTINCT ename, job) FROM emp; > -- So why does this fail? > > I can do a COUNT(DISTINCT ename || job), but that doesn't seem to be elegant > way of doing it. > > I have a feeling I might be missing some fairly basic syntax, but feeling > dumb is better than suspense. > > Thanks & regards, > Charu. > > ********************************************************* > Disclaimer > > This message (including any attachments) contains > confidential information intended for a specific > individual and purpose, and is protected by law. > If you are not the intended recipient, you should > delete this message and are hereby notified that > any disclosure, copying, or distribution of this > message, or the taking of any action based on it, > is strictly prohibited. > > ********************************************************* > Visit us at http://www.mahindrabt.com > > > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Charu Joshi > 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: Rachna Vaidya 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).
