Re: function based indexes

From: Mohammed Shakir <mshakir08816_at_yahoo.com>
Date: Wed, 11 Aug 2004 19:20:07 -0700 (PDT)
Message-ID: <20040812022007.68680.qmail@web20103.mail.yahoo.com>

I had to do the following to get function based indexes working. But I have Oracle 9i. You can check 10g documentation to confirm.

You must have the following initialization parameters defined to create a
function-based index:

QUERY_REWRITE_INTEGRITY must be set to TRUSTED

QUERY_REWRITE_ENABLED must be set to TRUE

COMPATIBLE must set to 8.1.0.0.0 or a greater value

Shakir

Harvinder Singh <Harvinder.Singh_at_MetraTech.com> wrote:

> Hi,
>
> We are creating function based indexes and have question about parameter
> query_rewrite_integrity. Docs says value for this parameter should be
> trusted to be able to use FBT but even when I set this parameter setting
> to ENFORCED, optimizer is able to use index. So what should be the value
> of this parameter to be able to use function based indexes?
> We are using 10g on red hat linux
>
> Thanks
> --Harvinder
>
>
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Mohammed Shakir
CompuSoft, Inc.
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Received on Wed Aug 11 2004 - 21:15:58 CDT