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Data Sysytems

In: Computers and Technology

Submitted By susie2qt
Words 2836
Pages 12
University of Phoenix

Data Systems Learning Team Paper

Team A: Renee Wilson, Ferdinand Habijan,
Maryrose DeFino, Stasia Bowling

HCI 520 Data Management and Design

January 16, 2012

Steven Fowler

Introduction
This paper will address data systems; a database is an organized group of files that are related and considered the supporting constructs of a database management system. It is maintained and considered an integral part of most organizations worldwide. The database management system houses a program that enables storage, modification, and extraction of information from a database. In this paper team A will address database the phases of the database life cycle, and provide a conceptual representation for a database system. Team A focused on relational data model utilizing the Oracle database management system.
Implementation of a Database System
The purpose of the implementation phase is to make the new system available to a prepared set of users. In this phase the construction and installation of the new database system is initiated according to the plan and design that represents all aspects of the organization, including its interactions with the external environment, this requires matching the design requirements with the best available implementing tools and then using those tools for the implementation. There are several basic steps to implementation of a database system. Determine the need, for developing a new system; identifying user needs; developing the contextual and external and internal level schemas; translation of the internal level schema into the actual databases structures that will be implemented in the new system then transferring all of the existing data to the new database. There is the creation of table and views and these are customized according to the needs of the end users. A cycle of coding, testing and

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