Q17

MCQ1 mark, −0.33

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 one of the following conditions, can the relational table for R be merged with that of A?

(A)

Relationship $R$ is one-to-many and the participation of $A$ in $R$ is total

(B)

Relationship $R$ is one-to-many and the participation of $A$ in $R$ is partial

(C)

Relationship $R$ is many-to-one and the participation of $A$ in $R$ is total

(D)

Relationship $R$ is many-to-one and the participation of $A$ in $R$ is partial

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