Am Sonntag, 13. Mai 2001 15:28 schrieb Renaud Thonnart:
> Hi!
>
> Could someone give me a easy example of creating and using table
> inheritance?
lokk in the tutorial shipped with postgres:
Chapter 6. Advanced Postgres SQL Features (advanced.htm)
-- from postgres tutorial ---
Inheritance
Let's create two classes. The capitals class contains state capitals which
are also cities. Naturally, the capitals class should inherit from cities.
CREATE TABLE cities (
name text,
population float,
altitude int -- (in ft)
);
CREATE TABLE capitals (
state char(2)
) INHERITS (cities);
[.....]
janning
--
Planwerk 6 /websolutions
Herzogstra�e 86
40215 D�sseldorf
fon 0211-6015919
fax 0211-6015917
http://www.planwerk6.de