A relationship between countries and capitals are example of……..relationship.
a) one-to-one
b) one-to-many
c) many-to-many
d) many-to-one
Which of the following is related to modality?
a) optional
b) mandatory
c) unidirectional
d) both a & b
An entity related to itself in an ERD is referred to as……
a) recursive relationship
b) one-to-many relationship
c) many-to-many relationship
d) one-to-one relationship
What is data model?
a) logical representation of structure
b) entity relationship diagram
c) transformed into tables
d) all of these
Which of the following indicates the maximum number of entities that can be involved in relationship?
a) minimum cardinality
b) maximum cardinality
c) E-R diagram
d) greater entity count
Which of the following symbol is used for mandatory one?
a) |
b) ||
c) o|
d) o||
