An entity in A is associated with at most one entity in B, and an entity in B is associated with at most one entity in A. This is called as _____?a.Many-to-manyb.One-to-onec.Many-to-oned.One-to-many
Question
An entity in A is associated with at most one entity in B, and an entity in B is associated with at most one entity in A. This is called as _____?a.Many-to-manyb.One-to-onec.Many-to-oned.One-to-many
Solution
The correct answer is b. One-to-one. This is because each entity in A is associated with only one entity in B and vice versa.
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