What do you mean by 'nested table'? Maybe arrays will do what you want?
Typically (and this applies to other databases as well), this is done
using two tables and refferential integrity. IE:
CREATE TABLE purchase_order(
po_id serial CONSTRAINT purchase_order__po_id PRIMARY KEY
, customer_id int CONSTRAINT purchase_order__customer_RI REFERENCES
customer(id)
, more fields...
)
CREATE TABLE po_lines (
po_id int CONSTRAINT po_lines__po_id_RI REFERENCES
purchase_order(po_id)
, line_number smallint NOT NULL
, ...
, CONSTRAINT po_lines__po_id_line_number PRIMARY KEY( po_id, line_number)
)
On Mon, Oct 31, 2005 at 02:22:05PM +0100, Thomas Zuberbuehler wrote:
> Hello there
>
> I've a problem. I can't find some information about nested tables in
> PostgreSQL. Is this Features possible in pgsql or not?
>
> * When yes, how i can use and create nested tables with pgsql?
> * When no, which alternative are there (for same problem definition)?
>
> Thank you for help.
> Greetings from Zurich, Switzerland.
> Thomas Zuberbuehler
>
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