Re: iceberg queries
От
Wei Weng
Тема
Re: iceberg queries
Дата
Msg-id
002101c2cc56$f5112330$2f437242@PASCAL
Список
Дерево обсуждения
Re: iceberg queries Jan Wieck <JanWieck@Yahoo.com>
It is a query that looks like SELECT target1, target2... targetn, SUN(t.qty) FROM Table t GROUP BY target1 HAVING SUM(t.qty)>=10 You can replace SUM(t.qty)>=10 with other aggregate constraints. ----- Original Message ----- From: Christoph Haller To: pgsql-sql@postgresql.org Cc: wweng@kencast.com Sent: Tuesday, February 04, 2003 3:39 AM Subject: Re: [SQL] iceberg queries > > Does PostgreSQL optimizer handle iceberg queries well? > What do you mean by "iceberg query" ? I've never heard this term. Regards, Christoph
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