From: | "Oliver Elphick" <olly(at)lfix(dot)co(dot)uk> |
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To: | Bernhard Matthias Ertl <ertl(at)delos(dot)dbs(dot)informatik(dot)uni-muenchen(dot)de> |
Cc: | pgsql-sql(at)postgreSQL(dot)org |
Subject: | Re: [SQL] inheritance |
Date: | 1998-05-29 18:58:13 |
Message-ID: | 199805291958.UAA05205@linda.lfix.co.uk |
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Lists: | pgsql-sql |
Bernhard Matthias Ertl wrote:
>Hi,
>
>only two short questions:
>+ does the postgresql 6.2.1 already support inheritance and
>+ if I have the tables cities and capitals (like in the tutorial), how can
>I add attributes of a city to a capital? Before the capital attributes,
>after the capital attributes or do I have to insert a capital citiy into
>the table city as well as into the table capital?
A descendant automatically inherits all attributes from its ancestor(s).
Try \d and see.
--
Oliver Elphick Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
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