Which of the following diagram is used to represent entity?
a) rectangle
b) diamond
c) escape
d) none of these
Which of the following diagram is used for relationship?
a) rectangle
b) diamond
c) escape
d) none of these
Which of the following diagram is used to represent attributes?
a) rectangle
b) diamond
c) ellipse
d) none of these
Elements of Entity Relationship Diagram
How many elements are used in entity relationship diagram?
a) one
b) two
c) three
d) four
Explanation: entity, attribute, relationship
An object,
person, place or concept in user environment is called…..
a) entity
b) attribute
c) relationship
d) none of these
