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From	Bruno Mendonca
Subject
Date	December 12, 1999 18:17:39
Msg-id	000701bf44dd$69706ce0$aa0110ac@brunomen.viaradio.netdados.com.br Whole thread Raw
List	pgsql-sql

From: Tom Lane
Date: 12 December 1999, 03:54:29
Subject: Re: [SQL] polygon problem

From: Alex Howansky
Date: 13 December 1999, 02:18:45
Subject: how to tell the difference between empty field and null field