9
2.1.3.1.1 Entity
As
said
by
Whitten
[4],
an
entity
is
a
class
of
persons,
places,
objects,
events,
or
concepts
about
which
we
need
to
capture
and
store
data.
The
following
figure
is
an
example of entity.
Name of Entity
Figure 2. 2 Entity
(Source: Whitten,
Jeffry
L., Bentley,
Lonnie D., and Dittman,
Kevin C. 2000.
System Analysis
and Design
Methods)
2.1.3.1.2 Attribute
An attribute is a descriptive property or characteristic of an entity. Synonyms include
element,
property,
and
field.
This
statement
is
taken
from
Whitten
[4].
The
following
figure is an example of an attribute.
Figure 2. 3 Attribute
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