Huffman Trucking Erd Explanation

Huffman transport ERD Explanation Alvin Calahan, Adam Morgan University of Phoenix Database Concepts DBM/380 Michael James November 19, 2011 Huffman Trucking ERD Explanation Huffman Trucking, founded in 1936 with a adept tractor trailer has grown tremendously over the years. Huffman Trucking straight has 800 road trailers, 2100 45 ft. trailers, 260 roll-on and roll-off units, 925 drivers, and 425 support personnel. With facilities in Cleveland, OH, Los Angeles, CA, St. Louis, MO, and Bayonne, NJ, Huffman Trucking consulted with metalworker Systems Consulting, who demonstrable entities and attributes for the Fleet Truck Maintenance database, but did non develop the database. Therefore, Entity-Relationship Diagrams are needed in order to bring out document their applications. The following document will detail how the Entity-Relationship Diagrams were developed and why they are necessary in the documentation of Huffman Trucking Fleet Truck Maintenance program. The document will gain ground provide a detailed explanation on the varied components of an ERD and how they relate data to one another. This document apologizes, that by utilize a software program such as Microsoft Access, the tables in the database were linked in a manner that shows the relationship amongst the contrary aspects of the database.

Entity-Relationship models were first published in 1976 by Peter Chen, which was in basic model form. Now, the basic model was extended to pee-pee the extended entity-relationship model, which is used extensively in todays businesses. The E-R model used today consists of entities, attributes, identifiers, and relationships. These will be discussed in more detail to explain how they were used in creating the up-to-date database for Huffman Trucking. As explained earlier in this document, the entities and attributes were already created by smiths Systems Consulting, but gave no details on how they would be used in the database. In order to fully explain how the entities and... If you want to get a full essay, order it on our website: Orderessay

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