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The ___ mapping is a method in which entities in A1 may be associated with any number of entities in A2 and entities in A2 may be associated with any number of entities in A1

7. The ___ mapping is a method in which entities in A1 may be associated with any number of entities in A2 and entities in A2 may be associated with any number of entities in A1.

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

Answer: B) One to many

Explanation:

The one-to-many mapping is a method in which entities in A1 may be associated with any number of entities in A2 and entities in A2 may be associated with any number of entities in A1.