Re: Customizing Oracle Query Handling

From: DA Morgan <damorgan_at_psoug.org>
Date: Sun, 19 Nov 2006 09:48:22 -0800
Message-ID: <1163958514.60302_at_bubbleator.drizzle.com>


Gints Plivna wrote:

> grp.anon_at_gmail.com wrote:

>> Hi there,
>>
>> Is it possible to intercept queries on the Oracle Server prior to
>> processing and encompass some rules around how the queries are
>> processed?
>>
>> For e.g. Depending on varying parameters I may want to deny users
>> querying capabilities or forward them to another instance or modify
>> queries based on hints contained in the queries etc.
>>
>> Is it possible to do this kind of query management in Oracle? I guess
>> I essentially want to wrap some logic behind how/when queries are
>> responded to by my oracle database. Can I embed oracle into a custom
>> application to do something like this?
>>
>> I have been unable to find something relevant to this, I'm sorry if
>> this is a repeat. Any help appreciated.
>>
>>
>> Thanks very much,
>>
>> GrpAnon
> 
> At least a subset from your requirements could be done.
> Check concepts using virtual private database and fine-grained access
> control
> You can start for example here
> http://download-uk.oracle.com/docs/cd/B19306_01/network.102/b14266/apdvpoli.htm
> 
> Gints Plivna
> http://www.gplivna.eu

And, additionally, ADVANCED REWRITE.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu
(replace x with u to respond)
Puget Sound Oracle Users Group
www.psoug.org
Received on Sun Nov 19 2006 - 18:48:22 CET

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