Re: last 25 records from a dataset

Want to retrieve last 25 (recently) inserted records.. use

Order by OID DESC limit 25

Denis


----- Original Message -----
From: "Brian Scandale" <Brrrian@Excite.com>
To: <pgsql-novice@postgresql.org>
Sent: Sunday, July 07, 2002 5:18 AM
Subject: [NOVICE] last 25 records from a dataset


> I am looking for the correct way to retrieve the last 25 records from a
dataset without having to first retrieve the entire dataset to pull out the
last 25.
>
> The potential dataset can be very large... 10,000 records that match the
query... yet I only can use the most recent 25.
>
> my first idea is:
>
> SELECT *
> FROM table
> WHERE thisField=thatValue etc...
> ORDER BY table_id DESC
> LIMIT 25
>
> But I'm not confident in this and looking for a yeah or nay from a guru or
two or three.
>
> Thanks,
> Brian
>
>
>
>
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