Re: Index not being used .... why?

"Jamadagni, Rajendra" wrote:
>
> This is from my user .... I can't figure why Oracle is not using the index
> even with a hint. Optimizer mode is RULE. BTW the query always returns NULL
> value.
>
> I'm running a simple query. It's taking too long. Ran an explain plan on it
> and it's doing a full table scan for some reason. I've tried every data base
> thinking there was an index missing or something. I did /*+ first_rows */
> as well with no success. Any ideas ? Any suggestions would be appreciated
> !!!!!!
>
> select mso_or_independent_id
> from billing_file_summary
> where mso_or_independent_id = 0104167;
>

A good reason would be mso_or_independent_id to be declared as a VARCHAR2. Put the id between quotes.

-- 
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Stephane Faroult
Oriole Corporation
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