work on rows

From: "Rachel Coin" <rachel(at)derniere-minute(dot)org>
To: <pgsql-sql(at)postgresql(dot)org>
Subject: work on rows
Date: 2001-03-07 19:06:48
Message-ID: 00b701c0a739$c8170460$6101a8c0@spidinfo.com
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Hello,

I have a problem with a sql query.I have two tables : the first contains categories and the second subcategories.

What kind of select may I use to get something like Yahoo! categories ( each "main" category gets *at most* three sub-categories..

Thanks
Regards,

Rachel

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