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Data Systems Learning Team Paper

In: Computers and Technology

Submitted By flyinsusie
Words 3000
Pages 12
University of Phoenix

Data Systems Learning Team Paper

Team A:
HCI 520 Data Management and Design

January 16, 2012

Introduction This paper will address data systems; a database is an organized group of files that are related. It is maintained and considered an integral part of most organizations worldwide. In Data Base Management, programs enable you to store, modify, and extract information from a database. In this paper team A will address database types, demonstrate a conceptual representation for a database system. We focused on relational data model to explain how DBMS organizes information in different formats and design models.
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 debugging continues until the database is ready for delivery. Security is also addressed at this time, physical and password security a...

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