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We are going to go over some of the essential characteristics and features of descriptive models in the following paragraphs.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

System Model Approaches

The systems model approach is a process-oriented representation that emphasizes the impact or flow of information between modules. The multidisciplinary study of the use of models to design and create systems in business and IT development is known as systems model approach. It models how processes interact and what these processes do, but it does not go into detail about how these processes are implemented. Functional decomposition may be utilized to enhance the models employed in this technique, and they can be coupled to requirements models for additional system partitioning.

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What do we mean when we talk about things like "association," "class diagram," "event," "object," "object class," "operation," "sequence diagram," "state," "state transition," "Unified Modeling Language," and "use case?"
Produce a Class Diagram and a Use case diagram for the State Patrol case. You should list assumptions and questions that are relevant and functionally determine your model Things to help: When you create the Use Diagram, you should start with the basis that there are 3 roles: Officer (because the Officer is entering the ticket online directly from the patrol car) Motor Vehicles clerk Court clerk (Note the "Driver" is not a role since her/his pleas (or payment) are probably being entered by a clerk) If you have already defined an ERD solution for this case (in class), converting this to a class diagram should be relatively easy.
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We'll go through the key features and characteristics of descriptive models here.
We'll go through the key features and benefits of descriptive models in more detail down below.
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