Which of the following statements is true regardinga composite key in a table?
A.
It is a primary key.
B.
It is a primary or foreign key that consists of two or more attributes of the table.
C.
It is a combination of the primary key and the foreign key.
D.
It is a foreign key.
Explanation:
A composite key is a primary or foreign key that consists of two or more attributes of the table. It is a key that
consists of two or more
attributes that uniquely identify an entity occurrence. Answer C, D, and A are incorrect. These statements do
represent a composite key.