HCI/520 Database Differentiation Matrix Part II

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Database Differentiation Matrix HCI/520 Version 3 1 Database Differentiation Matrix Part II HCI/520 In 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 the structure and functionality of a database system? Additionally, compare and contrast the Microsoft SQL Server, Oracle, and IBM DB2 database management systems in terms of their capabilities, features, and best - use cases. Your response should be at least 600 words.
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Database Differentiation Matrix HCI/520 Version 3 2 Database Differentiation Matrix Part 2 Database Design Model Description Comparison Top down According to Coronel, Morris, and Rob (2011), the top - down method starts by using the conceptual model and then proceeds to move down into the attributes of the entities. This method starts by identifying data sets and then defines those data elements for each of the sets. Using the top - down method helps define every single entity’s attributes and the types . This design model essentially breaks down a system in order to gain insight in the composition of its subsystem. In this model Unlike the other database design model, the top - down model requires that the one understood the entity’s attributes in order to create a system that will meet the organization’s demands.

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