Login
Register
Dark Mode
Brightness
Profile
Edit Profile
Messages
My favorites
My Updates
Logout
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...
ARUN KUMAR 3
265
views
ARUN KUMAR 3
asked
Sep 24, 2018
Databases
ugcnetjan2017
+
–
To see more, click for the
full list of questions
or
popular tags
.
Email or Username
Show
Hide
Password
I forgot my password
Remember
Log in
Register