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UPDATE sql question

From: Andrei Verovski (aka MacGuru) <andreil1(at)mail(dot)starlett(dot)lv>
To: pgsql-php(at)postgresql(dot)org
Subject: UPDATE sql question
Date: 2003-07-28 09:06:01
Message-ID: B570E5C0-C0DA-11D7-9233-000A959C9730@starlett.lv (view raw or flat)
Thread:
Lists: pgsql-php
Hi,

What exactly will happen if UPDATE sql statement instructs to update 
some columns with the same values as already in the database? Will 
Postgres update only different values or it will simply modify all 
columns listed in UPDATE sql?

Thanks in advance for any suggestion.


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