Re: Inheritance & multiple-value fields
От | Ron Johnson |
---|---|
Тема | Re: Inheritance & multiple-value fields |
Дата | |
Msg-id | 1059862152.24818.76.camel@haggis обсуждение исходный текст |
Ответ на | Inheritance & multiple-value fields ("Vernon Smith" <vwu98034@lycos.com>) |
Список | pgsql-general |
On Sat, 2003-08-02 at 15:26, Vernon Smith wrote: > We usually use another table for a multi-valued field. Is possible > having a single multi-valued field table for all tables in the > same heredity, other than having a multi-valued table for every > single tables in the heredity? Sure: Pick, now known as D3. http://www.rainingdata.com/products/dbms/d3/index.html However, that breaks the cardinal rule of relational DB design: http://www.databasejournal.com/sqletc/article.php/26861_1428511_4 -- +-----------------------------------------------------------------+ | Ron Johnson, Jr. Home: ron.l.johnson@cox.net | | Jefferson, LA USA | | | | "I'm not a vegetarian because I love animals, I'm a vegetarian | | because I hate vegetables!" | | unknown | +-----------------------------------------------------------------+
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