Tables and Views with referential integrity definition

customer
customerid	orders orderid invoice invoiceid orderid amount customerid what deadline	name	city	street	phone	fax

---

Tables and Views without any referential integrity definition

Name	Type	Fields
title	table	titleid,title,

---

Referential integrities

Table	Source Table	Source Field	Destination Table	Destination Field	is Foreign Key	Descr.	Deferrable	Initially Deferred	Constraint Name	MATCH
customer	customer	customerid	orders	customerid	0	ON DELETE RESTRICT	f	f		UNSPECIFIED
customer	customer	customerid	orders	customerid	0	ON UPDATE CASCADE	t	t		UNSPECIFIED
orders	orders	orderid	invoice	orderid	0	ON DELETE RESTRICT	f	f	fororders	FULL
orders	orders	orderid	invoice	orderid	0	ON UPDATE CASCADE	f	f	fororders	FULL
orders	customer	customerid	orders	customerid	1	FOREIGN KEY ... REFERENCES	t	t		UNSPECIFIED
invoice	orders	orderid	invoice	orderid	1	FOREIGN KEY ... REFERENCES	f	f	fororders	FULL