Database Systems Chapter 2 COMPLETE
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
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Data modeling may be the data characteristics are important in the design of
most important part of the programs and other systems components.
systems development
process because:
The logical entity-relationship model.
representation of an
organization's data is
called a(n):
The common types of entities strong entities, weak entities, and associative entities(all of the
are: above)
In an E-R diagram, there are two
____________________ busine
ss
rule(s) for every relationship.
Business policies and rules managing employees
govern all of the following
EXCEPT
defines or constrains some aspect
of the business. asserts business
A business rule:
structure.
controls or influences the
behavior of the business. (all of
the above)
Which of the following is NOT Inconsistent
a
characteristic of a good
business rule?
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, 10/10/25, 1:22 PM Database Systems Chapter 2
Which of the following is Relates to a technical characteristic of the system
NOT a good characteristic of
a data name?
A fact is an association terms
between two or more:
A good data definition will who can delete the data
describe all of the
characteristics of a data object
EXCEPT:
Customers, cars, and parts are entities
examples of
Owner
Which of the following is an Member
entity type on which a Attribute
strong entity depends? D) None of the above is the answer
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