An ER model of a database consists of entity types A and B. These are…
GATE · 2017 · CS · Set 2 · Computer Science & IT
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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