Gate2018 cs Q22

0. In an Entity-Relationship (ER) model, suppose R is a many-to-one relationship from entity set E1 to entity set E2. Assume that E1 and E2 participate totally in R and that the cardinality of E1 is greater than the cardinality of E2.
Which one of the following is true about R?

Answer
Comment
Array

Option : A
Explanation :
E1 entries > E2 entities

So Every entity in E1 is associated with exactly one entity in E2. So options A is correct options.

Forgot your password?

I agree with the Terms.