MIS 531 Practice Review Questions | Answered with complete solutions | University of Arizona

MIS531




MIS 531
Practice Review Questions
ENTERPRISE DATA MANAGEMENT
UNIVERSITY OF ARIZONA

, MIS531




What is the Mini-world? (pick best option)
A small world, which
isn’t too complex
The database
administrator’s compact
view of the physical
database layer
Part of the organization
that you want to model
& store in the database
All of the above
None of the other
options are correct




Which of the following is a reason to use
databases?
A. Low purchase costs
B. More challenging to build
ad-hoc reports
C. Easier data sharing
D. All of the above
E. None of the other options
are correct

, MIS531




Relative to the ANSI/SPARC architecture,
Views correspond to:

External Layer
Conceptual Layer
Logical Layer
Physical Layer
None of the other
options are correct




When will you need a subclass for
STUDENTS?
A. When some students, have
special properties (e.g., PhD
students have a dissertation
date)
B. When you need to know what
kind of student each is (e.g.,
PhD, undergrad, grad)
C. When students take classes and
based on the class students take
you have different data (e.g.,
grade)
D. All of the above
E. None of the other options are
correct