Re: Simple query makes Oracle hang

 select file_name from Filatable FT
 where filetypeID= 2
 and
 FileCategory NOT EXISTS

     ( select filecategory FC
       from fileCat
       Where FT.FileCategory = FC.FileCategory);

Try this instead.

Make sure the FileCategory fields are indexed.

Greg Vitetzakis
<faheemrao_at_my-deja.com> wrote in message news:93dgrg$f4s$1_at_nnrp1.deja.com...
>
>
> I have a problem in running a simple SQl query.
>
>
> This is very strange that the following query makes all oracle front
> end tool makes "not responding". including sql plus and Oracle
> worksheet.
>
> select file_name from Filatable
> where filetypeID= 2
> and
> FileCategory NOT IN ( select filecategory from fileCat)
>
>
> But if omit the not operator that query runs fine.
>
>
> select file_name from Filatable
> where filetypeID= 2
> and
> FileCategory IN ( select filecategory from fileCat)
>
>
> I am badly struck with that problem.
>
>
> any help would do a lot
>
> Thanks in advance.
>
> Faheem Rao
>
>
>
>
>
>
>
> Sent via Deja.com
> http://www.deja.com/
Received on Fri Feb 09 2001 - 15:28:06 CST