A logical description of some portion of database that is required by a user to perform task is called…….
a) system view
b) user view
c) logical view
d) data view
Which of the following is classical approach to database design?
a) left-right approach
b) right-left approach
c) top-down approach
d) bottom-top approach
Which of the following is the oldest database model?
a) relational model
b) hierarchical model
c) physical model
d) network model
Which of the following indicated the maximum number of entities that can be involved in relationship?
a) minimum cardinality
b) maximum cardinality
c) entity relationship diagram
d) greater entity count
Data refers to describing the data
description, representing data semantics, and describing the consistency
constraints that apply to the data………
a) adding
b) modifying
c) modeling
d) refining
Which of the following is not the type of the data model?
a) relational data model
b) semi-structured data model
c) entity-relational model
d) process-based data model
