Title: Databases

Essay Details

Subject: Technology
Author: Dana C
Date: August 6, 2011
Level: University
Grade: A
Length: 3 / 707
No of views: 0
Essay rating: good 0, average 0, bad 0 (total score: 0)

Essay text:

The purpose of this paper is to discuss the various models of databases, Hierarchical, Network, Relational, OO and Multi-dimensional. A Hierarchical database is a database that is organized in a tree structure, in which each record has only one owner. The data is structured such that the units of data storage are connected by a hierarchically defined pathway...

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The data is structured such that the units of data storage are connected by a hierarchically defined pathway. In a Hierarchical database, the relationships are of a parent-child nature where each child entity is related to only one parent entity. Speed is an advantage to this type of database because the structure is so simple...

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