A tutorial school is using a database to manage information about teachers, courses, and students. Each teacher is identified by staff_id, has a name, an email address, and a phone number. Each student is identified by student_id, has a name, an email address, and a registration date. Each course is identified by course_id, year, and semester. In addition, each course has a name. Each course is associated with multiple lessons. A lesson has a lesson number, a location, a date, a start-time, and an end-time. Lesson numbers are sequentially numbers, starting from 1, generated separately for each course. Each teacher teaches at least one course. Each student takes at least one course. Each course is taught by one teacher. Each course can be taken by many students.

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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Draw the ER diagram based on the following specification.
A tutorial school is using a database to manage information about teachers,
courses, and students. Each teacher is identified by staff_id, has a name, an email
address, and a phone number. Each student is identified by student_id, has a
name, an email address, and a registration date. Each course is identified by
course_id, year, and semester. In addition, each course has a name. Each course is
associated with multiple lessons. A lesson has a lesson number, a location, a date,
a start-time, and an end-time. Lesson numbers are sequentially numbers, starting
from 1, generated separately for each course.
Each teacher teaches at least one course. Each student takes at least one course.
Each course is taught by one teacher. Each course can be taken by many students.
Transcribed Image Text:Draw the ER diagram based on the following specification. A tutorial school is using a database to manage information about teachers, courses, and students. Each teacher is identified by staff_id, has a name, an email address, and a phone number. Each student is identified by student_id, has a name, an email address, and a registration date. Each course is identified by course_id, year, and semester. In addition, each course has a name. Each course is associated with multiple lessons. A lesson has a lesson number, a location, a date, a start-time, and an end-time. Lesson numbers are sequentially numbers, starting from 1, generated separately for each course. Each teacher teaches at least one course. Each student takes at least one course. Each course is taught by one teacher. Each course can be taken by many students.
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