Question

Select the correct answer.

Which relationship is possible when two tables share the same primary key?
А.
one-to-one
B.
one-to-many
C.
many-to-one
D.
many-to-many

Answer 1

Many-to-one

Step-by-step explanation:

Many-to-one relationships is possible when two tables share the same primary key it is because one entity contains values that refer to another entity that has unique values. It often enforced by primary key relationships, and the relationships typically are between fact and dimension tables and between levels in a hierarchy.