Teaching System ER Diagram
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An ER diagram (Entity-Relationship Diagram) for an educational system serves as a blueprint for its design, visually illustrating the relationships between data and entities within the system. For example, the core elements of an typical educational system's ER diagram might include student entities, course entities, and the relationships between them, such as registration. Other possible core entities include teachers, their associations with courses and students, and grading and instructional arrangements. Entities are interconnected through one-to-many or many-to-many relationships, depicting how the information system operates and interacts.
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Student number
n
Have
Semester
Password
Credits
Gender
Choose courses
Hours
Name
Courses
Course name
1
Course number
Course selection record number
Achievements
Class
Professional title
Teacher number
Class name
Grade
Teachers
Class number
Professional
Taught
Students
m
Collect
Collect
Collect
Collect
Collect
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