pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  

help / color / mirror / Atom feed
From: sad <sad@bankir.ru>
To: pgsql-sql@postgresql.org
Subject: perfomance question
Date: Thu, 18 Mar 2004 09:41:45 +0300
Message-ID: <200403180941.45591.sad@bankir.ru> (raw)

hello.

what are perfomance difference bitween
a)  update t1 set f1 = 'x', f2 = 'y';
b)  update t1 set f1 = 'x', f2 = f2;
c)  update t1 set f1 = 'x';
?




view thread (4+ messages)  latest in thread

Message-ID: <200403180941.45591.sad@bankir.ru>
Permalink:  ../200403180941.45591.sad@bankir.ru/
Also on:    postgresql.org/message-id/200403180941.45591.sad@bankir.ru

 · 

reply
Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-sql@postgresql.org
  Cc: sad@bankir.ru
  Subject: Re: perfomance question
  In-Reply-To: <200403180941.45591.sad@bankir.ru>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox