Gate CS-2017-2 Question Paper With Solutions

Q. 16 An ER model of a database consists of entity types A and B. These are connected by a relationship R which does not have its own attribute. Under which of the following conditions, can the relational table for R be merged with that of A?

(A) Relation R is one-to-many and the participation of A in R is total.

(B) Relation R is one-to-many and the participation of A in R is partial.

(C) Relation R is many-to-one and the participation of A in R is total.

(D) Relation R is many-to-one and the participation of A in R is partial.

Answer: (C)

Explanation:

Gate CS-2017-2 Question Paper With Solutions

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