Gate2017 ss Q25

25An 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 one of the following conditions, can the relational table for R be merged with that of A?

Option : C
Explanation :

Note: only M to N relationship needs exclusive table: If a relationship is 1 to M or M to 1 then that relation could be included in the many side table with the help of foreign key concept.

Forgot your password?

I agree with the Terms.