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Question 44/134

Examine this business rule:
Each student can work on multiple projects and each project can have multiple students.
You must design an Entity Relationship(ER) model for optimal data storage and allow for generating reports in this format:

Which two statements are true?

A. STUDENT ID must be the primary key in the STUDENTS entity and foreign key in the PROJECTS entity.

B. An associative table must be created with a composite key of STUDENT_ID and PROJRCT_ID, which is the foreign key linked to the STUDENTS and PROJECTS entities.

C. The ER must have a 1-to-many relationship between the STUDENTS and PROJECTS entities.

D. PROJECT_ID must be the primary key in the PROJECTS entity and foreign key in the STUDENTS entity.

E. The ER must have a many to-many relationship between the STUDENTS and PROJECTS entities that must be resolved into 1-to-many relationships.

Correct Answer: B,E

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