The ABC Engineering (ABCE) has contacted you to create a conceptual model whose application will meet the expected database requirements for the company's training program. The ABCE administrator gives you the description of the training group's operating environment. ABCE has 12 instructors and can handle up to 30 trainees per class ● It offers five Advanced Technology courses, each of which may generate several classes. If a class has fewer than 10 trainees, it will be canceled. Therefore, it is possible for a course not to generate any classes Each class is taught by one instructor Each instructor may teach up to two classes or may be assigned to do research only Each trainee may take up to two classes per year Complete the table to define all of the entities and relationships. First one is done for you. Consider one of the relations as a composite relationship. ENTITY INSTRUCTOR RELATIONSHIP Teaches CONNECTIVITY 1:M ENTITY CLASS

The ABC Engineering (ABCE) has contacted you to create a conceptual model whose application will meet the expected database requirements for the company's training program. The ABCE administrator gives you the description of the training group's operating environment. ABCE has 12 instructors and can handle up to 30 trainees per class ● It offers five Advanced Technology courses, each of which may generate several classes. If a class has fewer than 10 trainees, it will be canceled. Therefore, it is possible for a course not to generate any classes Each class is taught by one instructor Each instructor may teach up to two classes or may be assigned to do research only Each trainee may take up to two classes per year Complete the table to define all of the entities and relationships. First one is done for you. Consider one of the relations as a composite relationship. ENTITY INSTRUCTOR RELATIONSHIP Teaches CONNECTIVITY 1:M ENTITY CLASS

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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Question

The ABC Engineering (ABCE) has contacted you to create a conceptual model whose application will
meet the expected database requirements for the company's training program. The ABCE administrator
gives you the description of the training group's operating environment.
ABCE has 12 instructors and can handle up to 30 trainees per class
●
It offers five Advanced Technology courses, each of which may generate several classes. If a class has
fewer than 10 trainees, it will be canceled. Therefore, it is possible for a course not to generate any
classes
Each class is taught by one instructor
Each instructor may teach up to two classes or may be assigned to do research only
Each trainee may take up to two classes per year
Complete the table to define all of the entities and relationships. First one is done for you. Consider
one of the relations as a composite relationship.
ENTITY
INSTRUCTOR
RELATIONSHIP
Teaches
CONNECTIVITY
1:M
ENTITY
CLASS

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