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Re: "select *" MUCH quicker than "select <field> from...": explanation ?

From: Dario <drga59_at_hotmail.com>
Date: 7 Jul 2004 17:53:19 -0700
Message-ID: <e409f463.0407071653.2f32a81c@posting.google.com>


spendius_at_muchomail.com (Spendius) wrote in message news:<aba30b75.0407070517.317db00b_at_posting.google.com>...
> Sybrand Bakker <sybrandb_at_hccnet.nl> wrote:
> > - compare the execution paths and/or ran EXPLAIN PLAN?
> > - traced the session ?
>
> Below:
> o plan when selecting only one field (which is null actually
> o " " " all fields

select count(*) and select count(nullable field) are not same queries, you can not compare them Received on Wed Jul 07 2004 - 19:53:19 CDT

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