Using MIS (9th Edition)
Using MIS (9th Edition)
9th Edition
ISBN: 9780134106786
Author: David M. Kroenke, Randall J. Boyle
Publisher: PEARSON
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Chapter 5, Problem 5.9CE5

Explanation of Solution

Two steps in transforming the data model into database design:

The following are the two steps required in transforming the data model into database design:

  • The table is created for each entity by the database designer.
    • The key of the table will be its identifier.
    • The column of the table will be the attribute.
    • The tables that are present, normalized in such a way to form a single theme.
  • The relationship are established among the tables.

List of entities identified in the “Figure 5-28”:

The below are the lists of entities identified in the “Figure 5-28”:

  • Drone
  • Video
  • Facility
  • Analysis

Analysis of the relationship cardinalities present in the “Figure 5-28”:

The below are the cardinalities that are identified in the “Figure 5-28”:

  • Mandatory one to optional Many cardinalities
    • Between Drone and Video entities
      • A Drone can take many Videos
      • A video can be taken by one Drone
      • The instance of the Video is optional for Drone...

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