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PostgreSQL Inheritance

I'm a PostgreSQL newbie and I had a quick question concerning a setup that I
have. I current have three tables, a, b, and c. On my create table
statement for table a, I have the following:

create table a (

For b, I have a similar table structure minus the inherits keyword, so all
data I enter for table a will appear in a select call for table b.

Now let's say I have a third table, table c. This table actually has a
foreign key relation to the id column for table b. My question is, since
data that is in table a can be viewed in table b, how can I enforce the
referential integrity using both a and b's id column via the inheritance???
or with PostgreSQL, can I only do this with the ids that are directly stored
in table b and not the inherited ids from a? The latter question seems to
reflect how PostgreSQL handles it now, but I wanted to see if I could do it
with the inherited data as well....

Alright, thanks guys
Jul 19 '05 #1
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