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Are views created 'on the fly'

From: richard terry <rterry(at)pacific(dot)net(dot)au>
To: "pgsql-novice" <pgsql-novice(at)postgresql(dot)org>
Subject: Are views created 'on the fly'
Date: 2009-07-05 00:20:06
Message-ID: 200907051020.06485.rterry@pacific.net.au (view raw or flat)
Thread:
Lists: pgsql-novice
I had an occasion to generate a unique key on a complex view and noticed that 
every time I opened the view in pgAdmin, that the start key changes, does 
that mean that every time one references a view it is created 'on the fly', 
before you query it for data?

regards

Richard

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