RE: Select question

Hi,
 You cann't use the distinct operater for multiple columns of a select list as well as in the middle.

  U can do like this:

  SQL> SELECT DISTINCT ('Testing '||To_Char(my_date,'mon')) FROM mytable;

Nirmal,

> -----Original Message-----
> From: Sinardy [SMTP:sinardyxing_at_bcsis.com]
> Sent: Monday, September 17, 2001 11:35 AM
> To: Multiple recipients of list ORACLE-L
> Subject: Select question
>
> Hi all,
>
>
> Why I can't do this ?
>
>
> Select 'Testing ' || distinct(to_char(mydate, 'MON')) from mytable;
>
> *
> ERROR at line 1
> ora-00936: missing expression
>
>
> it is work if I do
>
> Select distinct(to_char(mydate, 'mon')) || ' testing' from mytable;
>
> WHY ??
>
>
>
>
> Best Regards
>
> Sinardy
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Sinardy
> INET: sinardyxing_at_bcsis.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Nirmal Kumar  Muthu Kumaran
  INET: NIRMALK_at_qtel.com.qa

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