A relational database consists of a collection of…….
a) tables
b) fields
c) records
d) keys
For each attribute of a relation, there is a set of permitted values, called the…………of that attribute.
a) relation
b) domain
c) set
d) schema
A domain is atomic if elements of the domain are………..units.
a) different
b) indivisible
c) constant
d) divisible
The tuples of the relations can be of ………order.
a) any
b) same
c) sorted
d) constant
Transformation of E-R Model into Relational Schema
How many types of transformation of E-R model into relational schema?
a) one
b) two
c) three
d) four
Explanation: transformation entities, transformation attributes, transformation relationship
