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).
