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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.
- One to one
- One to many
- Many to one
- 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.