Computer Sciences > Gate 2017 Set-2 > ER model
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.
Correct : ER model
Similar Questions
In the context of owner and weak entity sets in the ER (Entity-Relationship) data model, which one of the following is TRUE?
In the context of owner and weak entity sets in the ER (Entity-Relationship) data model, which one of the following is TRUE?
In the context of owner and weak entity sets in the ER (Entity-Relationship) data model, which one of the following is TRUE?
Total Unique Visitors
Loading......