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Example. 1. M. EMPLOYEE. COURSE. ER Diagram & Normalisation. An employee can teach many course, and a course can be taught by 1 employee only (One-to-Many relationship)?. M. M. EMPLOYEE. ENROL. COURSE. ER Diagram & Normalisation. M. M. EMPLOYEE. COURSE. 1. 1.
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1 M EMPLOYEE COURSE ER Diagram & Normalisation • An employee can teach many course, and a course can be taught by 1 employee only (One-to-Many relationship)?
M M EMPLOYEE ENROL COURSE ER Diagram & Normalisation M M EMPLOYEE COURSE 1 1 • An employee can teach many course, and a course can be taught by many employees (Many-to-Many relationship)?
Exercise 1 – Business Rules & ER Diagram • Business Rules / Assumptions: • ER Diagram:
Exercise 2 – Business Rules & ER Diagram • Business Rules / Assumptions: • ER Diagram: