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HCI/520 Database Differentiation Matrix Part II

Assignment on database differentiation and classification for HCI.

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Database Differentiation MatrixHCI/520 Version 31Database Differentiation Matrix Part IIHCI/520In your own words, describe the key differences between the Top-down, Bottom-up, Centralized,Decentralized, and Distributed database design models. How does each model impact thestructure and functionality of a database system? Additionally, compare and contrast theMicrosoft SQL Server, Oracle, and IBM DB2 database management systems in terms of theircapabilities, features, and best-use cases.Your response should be at least 600 words.

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Database Differentiation MatrixHCI/520 Version 32Database Differentiation MatrixPart 2Database Design ModelDescriptionComparisonTop downAccording to Coronel, Morris,and Rob (2011), the top-downmethod starts by using theconceptual model and thenproceeds to move down intothe attributes of the entities.This method starts byidentifying data sets and thendefines those data elements foreach of the sets. Using the top-down method helps defineevery single entity’s attributesand the types. This designmodel essentially breaks downa system in order to gaininsight in the composition ofits subsystem. In this modelUnlike the other databasedesign model, the top-downmodel requires that the oneunderstood the entity’sattributes in order to createa system that will meet theorganization’s demands.
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Document Details

University
University of Phoenix
Course
HCI 520
Subject
Information Technology

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