Re: Pattern matching in Oracle.

Roland Dunn wrote:
>
> Wonder if anyone can help.
>
> I have a data set where potentially one record could have upto 100 numerical
> fields, each numercial field being a floating point number between say 0 and
> 5.
> I would like to run a query whereby I say something like: find me the
> records where field 20 has a value of 3.5 +/- 0.05, field 80 has a value of
> 2.99 +/- 0.02, field 56 has a value of 1.34 +/- 0.04. This query may include
> all fields.
>
> Can this approximate searching or pattern matching be done somehow in
> Oracle?
> Is there a plugin or a cartridge that could enable such functionality?
>
> Hope someone can help.
> Thanks, Roland.

The spatial data option is designed for this purpose to some extent..It works especically well when searching through vector coordinate system which is similar to what you are after...

HTH

-- 
===========================================
Connor McDonald
http://www.oracledba.co.uk

We are born naked, wet and hungry...then things get worse