Question discussion

Which of the following term of ER model (Entity – Relationship) is corresponding to the foreign key (or relationship relation) in the relat…

3543Medium DSSSB TGT Computer Science 0 replies 2 views

Which of the following term of ER model (Entity – Relationship) is corresponding to the foreign key (or relationship relation) in the relational model of database?

AComposite attribute
BEntity type
C1 : 1 (one to one) or 1 : N (one to many) relationship type
DM : N (many to many) relationship type

Correct answer: C

Explanation

The foreign key corresponds to a 1:1 or 1:N relationship type in ER-to-relational mapping.

Join the discussion Report an error

Discussion 0

Nobody has replied yet. Start the discussion!