Re: Fetching last n records from Posgresql

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От Deole, Pushkar (Pushkar)
Тема Re: Fetching last n records from Posgresql
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Msg-id 78A4D6BFBAA5BA49A5E94DA00A6A76E309864466@AZ-FFEXMB04.global.avaya.com
обсуждение исходный текст
Ответ на Re: Fetching last n records from Posgresql  (John R Pierce <pierce@hogranch.com>)
Ответы Re: Fetching last n records from Posgresql  (Sándor Daku <daku.sandor@gmail.com>)
Re: Fetching last n records from Posgresql  (Moreno Andreo <moreno.andreo@evolu-s.it>)
Список pgsql-general

select * from t order by record_date desc limit 5;

 

this will return the recent 5 records.. what I want is the oldest 5 records (in last 30 days)

 

From: pgsql-general-owner@postgresql.org [mailto:pgsql-general-owner@postgresql.org] On Behalf Of John R Pierce
Sent: Wednesday, March 30, 2016 12:38 PM
To: pgsql-general@postgresql.org
Subject: Re: [GENERAL] Fetching last n records from Posgresql

 

On 3/29/2016 11:40 PM, Deole, Pushkar (Pushkar) wrote:

 

WITH t AS (

    SELECT * FROM mytable ORDER BY record_date ASC LIMIT 5

)

SELECT * FROM t ORDER BY record_date DESC;

 


why do it twice when you can just do....



    select * from t order by record_date desc limit 5;







-- 
john r pierce, recycling bits in santa cruz

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