Create an ER model related to the following entities and relationships: Department, Student, Professor, Course, Section, Grade, Major. (For attributes inside each table, you only need to insert several reasonable attributes. No need to have a comprehensive list. For many-to-many relationship, you also need to insert one extra table to handle the many-to-many relationship. The final database design will have more tables than the number of entities listed above.) A given department can offer many courses. A given course can be offered by only one related department. A given course can have many related sections. A given professor can teach many sections. A given section can only be related to one course and taught by one professor. A given professor can have appointment with different departments A given department can have many professors. A given department can offer several majors. A given major can be offered by only one related department. A given student can have several majors. A given major can have many students. A given student can have many grades. A given section can be related to many grades. A given grade can only be related to one student and one section.
Create an ER model related to the following entities and relationships: Department, Student, Professor, Course, Section, Grade, Major. (For attributes inside each table, you only need to insert several reasonable attributes. No need to have a comprehensive list. For many-to-many relationship, you also need to insert one extra table to handle the many-to-many relationship. The final database design will have more tables than the number of entities listed above.) A given department can offer many courses. A given course can be offered by only one related department. A given course can have many related sections. A given professor can teach many sections. A given section can only be related to one course and taught by one professor. A given professor can have appointment with different departments A given department can have many professors. A given department can offer several majors. A given major can be offered by only one related department. A given student can have several majors. A given major can have many students. A given student can have many grades. A given section can be related to many grades. A given grade can only be related to one student and one section.
Chapter2: Database Design Fundamentals
Section: Chapter Questions
Problem 3TD
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Create an ER model related to the following entities and relationships: Department, Student, Professor, Course, Section, Grade, Major. (For attributes inside each table, you only need to insert several reasonable attributes. No need to have a comprehensive list. For many-to-many relationship, you also need to insert one extra table to handle the many-to-many relationship. The final
- A given department can offer many courses.
- A given course can be offered by only one related department.
- A given course can have many related sections.
- A given professor can teach many sections.
- A given section can only be related to one course and taught by one professor.
- A given professor can have appointment with different departments
- A given department can have many professors.
- A given department can offer several majors.
- A given major can be offered by only one related department.
- A given student can have several majors.
- A given major can have many students.
- A given student can have many grades.
- A given section can be related to many grades.
- A given grade can only be related to one student and one section.
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