> [...]
> CREATE TABLE entity (
> [...]
> position int2 not null,
CONSTRAINT entitiy_pk
> PRIMARY KEY (entity_id_number));
>
> [...]
>
> CREATE TABLE phone (
> [...]
> area_code char(3) not null,
CONSTRAINT phone_pk
> PRIMARY KEY (phone_id_number));
--
Oliver Graf
Oberhofstr. 11
D-44575 Castrop-Rauxel, Germany
Phone: +49 2305 14230
http://www.ruhr.de/home/casbah/