When the primary key of one relation is placed into a second relation,it is called a ________.
A) field key
B) referential integrity
C) foreign key
D) candidate key
E) relocated key

Question

Quizplus · Accepted Answer

When the primary key of one relation is placed into a second relation, it is called a foreign key. It establishes a link between the two tables and ensures referential integrity. A foreign key is used to create a relationship between two tables, and it refers to the primary key of another table.

When the Primary Key of One Relation Is Placed into a Second