This problem is concerned with modeling of a database that contains information about employees of academic institutions. A employee can either be a professor or a lecturer.   _ For each employee, his/her id, name and year of birth.   _ For each institution, its name, country, and inauguration year.   _ For each institution, the names of its schools (e.g. School of Business, School of Computer Science,. . .). A school belongs to exactly one institution.   _ Information about authorships, i.e., which employee have authored a research paper.   The titles, ids of research papers should also be stored.   _ For each employee, information on his/her highest degree (BSc, MSc or PhD), including   who was the main supervisor (must be a professor), and at what school.   _ For each lecturer, information on the total number of courses he/she has taught.   _ For each professor, information on his/her title and research projects (title, start date, end date and the amount of grant money) in which he/she is a principal investigator.   Assuming that there is one but only one principal investigator for each project.   1. Draw an E/R diagram for the relations described above. Your diagram should not   contain redundant entity sets, relationships, or attributes. Also, use relationships   whenever appropriate

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
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This problem is concerned with modeling of a database that contains information about employees of academic institutions. A employee can either be a professor or a lecturer.

 

_ For each employee, his/her id, name and year of birth.

 

_ For each institution, its name, country, and inauguration year.

 

_ For each institution, the names of its schools (e.g. School of Business, School of Computer Science,. . .). A school belongs to exactly one institution.

 

_ Information about authorships, i.e., which employee have authored a research paper.

 

The titles, ids of research papers should also be stored.

 

_ For each employee, information on his/her highest degree (BSc, MSc or PhD), including

 

who was the main supervisor (must be a professor), and at what school.

 

_ For each lecturer, information on the total number of courses he/she has taught.

 

_ For each professor, information on his/her title and research projects (title, start date, end date and the amount of grant money) in which he/she is a principal investigator.

 

Assuming that there is one but only one principal investigator for each project.

 

1. Draw an E/R diagram for the relations described above. Your diagram should not

 

contain redundant entity sets, relationships, or attributes. Also, use relationships

 

whenever appropriate

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