Register

Recent questions tagged ugcnetjan2017

0 votes
0 answers
1
ER Model
Let pk(R) denotes primary key of relation R. A many-to-one relationship that exists between two relations R1 and R2 can be expressed as follows : A. pk(R2) → pk(R1) B. pk(R1) → pk(R2) C pk(R2) → R1 ∩ R2 D. pk(R1) → R1 ∩ R2
Let pk(R) denotes primary key of relation R. A many-to-one relationship that exists between two relations R1 and R2 can be expressed as follows :A.pk(R2) → pk(R1)B.pk(R...
User Avatar
To see more, click for the full list of questions or popular tags.