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constructing the proposed system. We will use the information gained earlier to
accomplish the logical design of the information. Designing how the users
should
input
data
into
the
system
is
important
since
it
will determine the
effectiveness of an input.
However,
designing
a
new
system
also
includes
designing
the
user
interface
and designing the database. User interface is important because it is the part of
the
system
that
communicates
directly
with
the
users.
A
good
user
interface
will make the system more user- friendly and easier to be understood.
2.1.2 Database Management
2.1.2.1 Database
Database is a collection of organized data stored either electronically or
conventional way or both. In database the data
are
displayed
after
processing
some
queries.
Queries
are
the
set
of
statements
that
are
provided by the DBMS to extract the exact information available in the
database. Generally people use database to create decisions.
2.1.2.1.1 Data Model
Before we can create the database, we usually creating
the
model
based on the data model available. With data model we can
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