An Entity Relationship (ER) Diagram is a type of flowchart that illustrates how “entities” such as people, objects or concepts relate to each other within a system. Consider the following description of a system: A university registrar’s office maintains data about following entities:Courses, including number, title, credits, syllabus, and prerequisites.Course offerings, including course number, year, semester, section number, instructor, timings and classroom.Students, including student-id, name, and program.Instructors, including identification number, name, department, and title.Furthermore, the enrollment of students in courses and grades awarded to students in each course they are enrolled for must be appropriately modeled. Construct an ER Diagram for the registrar’s office.Document all assumptions that you make about the mapping constraints.

Answered: A university registrar’s office…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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An Entity Relationship (ER) Diagram is a type of flowchart that illustrates how “entities” such as people, objects or concepts relate to each other within a system. Consider the following description of a system:

A university registrar’s office maintains data about following entities:

Courses, including number, title, credits, syllabus, and prerequisites.
Course offerings, including course number, year, semester, section number, instructor, timings and classroom.
Students, including student-id, name, and program.
Instructors, including identification number, name, department, and title.

Furthermore, the enrollment of students in courses and grades awarded to students in each course they are enrolled for must be appropriately modeled. Construct an ER Diagram for the registrar’s office.

Document all assumptions that you make about the mapping constraints.

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