Data Processing Practice Tests – Entity Relationship Model

The part of the object in the figure below labelled I is known as _______ 

A. attributes      B. entity      C. models      D. relations

If a SCHOOL is an entity in an Entity-Relationship Diagram, one of the attributes of SCHOOL will be ______

A. number of market in the community
B. number of men in the LGA
C. student’s identification number
D. employee identification number

Which of the tables above is the PARENT table?

A. TABLE II      B. TABLE III      C. TABLE I      D. None of the above

What is the key attribute of Department Table?

A. deptPhone      B. deptName      C. deptCode      D. deptLocn

The figure above represents a _______ relationship in a school relational model.

A. one-to-many        B. many-to-many      C. many-to-one      D. one-to-one