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GATE | GATE-CS-2017 (Set 2) | Question 16
An 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 of the following conditions, can the relational table for R be merged with that of A?
(A) Relation R is one-to-many and the participation of A in R is total.
(B) Relation R is one-to-many and the participation of A in R is partial.
(C) Relation R is many-to-one and the participation of A in R is total.
(D) Relation R is many-to-one and the participation of A in R is partial.
(A) Relation R is one-to-many and the participation of A in R is total.
(B) Relation R is one-to-many and the participation of A in R is partial.
(C) Relation R is many-to-one and the participation of A in R is total.
(D) Relation R is many-to-one and the participation of A in R is partial.
(A)
A
(B)
B
(C)
C
(D)
D
Answer
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