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) One-to-many(b) One-to-one(c) Many-to-many(d) Many-to-oneThis question was addressed to me by my college professor while I was bunking the class.Enquiry is from Constraints in portion Database Systems Design and Implementation of Database Management

An entity in A is associated with at most one entity in B, and an enti

1.	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) One-to-many(b) One-to-one(c) Many-to-many(d) Many-to-oneThis question was addressed to me by my college professor while I was bunking the class.Enquiry is from Constraints in portion Database Systems Design and Implementation of Database Management
Answer» Correct choice is (b) ONE-to-one The EXPLANATION is: Here one entity in one SET is RELATED to one one entity in other set.

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