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[GNUe] generate primary key

From: Erik Dalén
Subject: [GNUe] generate primary key
Date: Thu, 03 Jun 2004 22:30:18 +0200
User-agent: Mozilla Thunderbird 0.6 (X11/20040528) 
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Hi

I'm wondering how you make a Pre-Insert trigger on a field that
generates a new unique number for that field? For a numeric primary key
in a SQL table. Should be a quite common thing in 2-tier apps.

/Erik
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