When representing a 1:1 relationship in a relational database design,________.
A)the key of each table must be placed as foreign keys into the other
B)the key of either table may be placed as a foreign key into the other
C)the key of both tables must be the same
D)the intersection table gets the key from both relations

Question

Quizplus · Accepted Answer

In a 1:1 relationship, either table's key may be placed as a foreign key in the other table. It is not necessary for both tables to have the same key or for the intersection table to have both keys. This allows for flexibility in the design and can depend on the specific requirements of the system being built.

When Representing a 1:1 Relationship in a Relational Database Design,________