Re: SQL question

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" <ORACLE-L_at_fatcity.com> 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: joshic_at_mahindrabt.com
>
> 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: ListGuru_at_fatcity.com (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: rachnavaidya_at_hotmail.com

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: ListGuru_at_fatcity.com (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).