Why not use: SELECT a.item_id, a.subtotal, a.quantity FROM shopping_cart a, orders b WHERE b.session_id = session_id() AND b.customer_id = $customer_id AND a.order_id = b.border_id ? !Exclude Disclaimer! Jonathan Villa wrote: >I can't figure this query out. > >I want to pull data from 2 tables but using a primary key from one. > >Here is what I think it should look like. > >SELECT item_id, subtotal, quantity from shopping_cart WHERE order_id = >(SELECT order_id FROM orders WHERE session_id = session_id()) AND >customer_id = $customer_id; > >-Jonathan > > > > > > -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php