Database Reference
In-Depth Information
CHAPTER 3
SIGNIFICANCE OF THE
DATABASE ENVIRONMENT
CHAPTER OBJECTIVES
•
Appreciate the significance of information as a key asset for an organization
•
Understand the context in which the database system is critical
•
Review who the users are and what types of information they need
•
Grasp the benefits of information sharing and note how the database system
enables sharing
•
Clearly see why database systems are indispensable for modern enterprises
When an organization launches a database system, it takes on a systematic devel-
opment effort. The effort includes substantial planning and feasibility studies.
Because of the significance of the database system, a concerted method is needed
for a successful implementation. For many organizations, a database project is some-
thing entirely new and not resembling anything previously undertaken. In Chapter
4, we will study the organized methodology applied to development of database
systems. We will walk through the various development phases. Many different skills
are needed for the development effort. You will note each activity and task required
to bring about a transformation of an organization to be dependent on its database
system.
Why do you have to go through such elaborate, detailed, and methodical effort
to develop a database system? Why do organizations expend all the energy and
resources to create a database environment? Is the effort necessary, and is the
payback worthwhile? Most certainly, yes. A database environment is absolutely
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