A relationship with referential integrity means that the foreign key must have an existing reference in the parent table.Question 4Select one:TrueFalse

Referential Integrity Constraint: Foreign Key

.8 Identify the foreign keys in this schema. Explain how the entity and referential integrity rules apply to these relations.

A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.Question 7Answera.Specificb.Referentialc.Primaryd.Referencing

A ________ key establishes a relationship between tables by referencing the primary key of another tablea.Noneb.Foreign Keyc.Composite Keyd.Primary Key

The relation with the attribute which is the primary key is referenced in another relation. The relation which has the attribute as a primary key is called ______________ Question 6Answera.Referenced relationb.Referred relationc.Referencing relationd.Referential relation