The maximum number of times an instance in one entity can be associated with instance in related entity is called…..
a) cardinality
b) modality
c) degree of relation
d) none of these
The minimum number of times an instance in one
entity can be associated with instance in related entity is called…..
a) cardinality
b) modality
c) degree of relation
d) none of these
What is the
range of cardinality?
a) zero or more
b) one or more
c) zero or one
d) one or many
What is the range of modality?
a) zero or more
b) one or zero
c) zero or one
d) one or many
Relational Schema
The outline, how data is organized in database is called…..
a) schema
b) relational schema
c) data presentation
d) none of these
