Re: Select question

You cannot use 'distinct' on single value output.

Best regards

JP

On Mon 17. September 2001 10:35, you wrote:
> 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

-- 
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-- 
Author: Jan Pruner
  INET: jan_at_pruner.cz

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