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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

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 Correct Answer One-to-one

Here one entity in one set is related to one one entity in other set.

Related Questions

An entity in A is associated with at most one entity in B. An entity in B, however, can be associated with any number (zero or more) of entities in A.
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