COMPUTER APPLICATIONS
DATABASE MANAGEMENT SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Ted Codd
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Bill Gates
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Peter Chen
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None of the above
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Detailed explanation-1: -Peter Chen, the father of ER modeling said in his seminal paper: “The entity-relationship model adopts the more natural view that the real world consists of entities and relationships. It incorporates some of the important semantic information about the real world."
Detailed explanation-2: -The ERM was introduced by Peter Chen in 1976 [2]. The ERM and its variations have been widely used in database modeling and design, systems analysis and design methodologies, computer-aided software engineering (CASE) tools, and repository systems.
Detailed explanation-3: -Chen’s database notation is useful for modeling the basics of entities and relationships, because it presents an abstract view of the associations. These diagrams are a good entry step to understanding the database structure, especially for basic databases or examples.