Here they want to know if this depicts a one-to-one, one-to-many, or many-to-many relationship. I could use some explanation of how this works because I'm still confused   BOOK and BOOK COPY  COURSE and COURSE-SECTION  COURSE-SECTION and ROOM  INSTRUCTOR and COURSE  ROOM and INSTRUCTOR

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System Model Approaches

The systems model approach is a process-oriented representation that emphasizes the impact or flow of information between modules. The multidisciplinary study of the use of models to design and create systems in business and IT development is known as systems model approach. It models how processes interact and what these processes do, but it does not go into detail about how these processes are implemented. Functional decomposition may be utilized to enhance the models employed in this technique, and they can be coupled to requirements models for additional system partitioning.