Which of the following is single entity instance of one type related to many entity instances of another type?
a) one-to-one relationship
b) one-to-many relationship
c) many-to-many relationship
d) composite relationship
Which of the following is many entity instances
of one type related to many entity instances of another type?
a) one-to-one relationship
b) one-to-many relationship
c) many-to-many relationship
d) composite relationship
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 represent attribute?
a) ellipse
b) diamond
c) rectangle
d) none of these
Which of the following symbol represent relationship?
a) ellipse
b) diamond
c) rectangle
d) none of these
Which of the following symbol represent process in E-R model?
a) ellipse
b) diamond
c) rectangle
d) none of these
