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A ___ mapping assigns a single entity in A1 to at most one entity in A2, and any number of entities in A2 to any number of entities in A1

8. A ___ mapping assigns a single entity in A1 to at most one entity in A2, and any number of entities in A2 to any number of entities in A1.

1. One to one
2. One to many
3. Many to one
4. Many to many

Answer: C) Many to one

Explanation:

A many-to-one mapping assigns a single entity in A1 to at most one entity in A2, and any number of entities in A2 to any number of entities in A1.