Cedar,
(sorry for the double posting, folks)
> 2. Can a column reference another column in the same table? eg..
>
> CREATE TABLE bloo (
> id int4,
> p_id int4 REFERENCES bloo (id)
> -- or
> --p_id int4 REFERENCES (id)
> )
You don't do this with REFERENCES ... you do it with a CHECK CONSTRAINT
(look it up in the docs).
-Josh Berkus
______AGLIO DATABASE SOLUTIONS___________________________ Josh Berkus Complete
informationtechnology josh@agliodbs.com and data management solutions (415) 565-7293 for law firms, small
businesses fax 621-2533 and non-profit organizations. San Francisco
