Learn how to handle many-to-many relationships in database design with an example of creating a database for a university about students and classes.

There is a fourth type, the many-to-one relationship, however, that is just the reverse direction of the one-to-many relationship. This article introduces a design pattern for the many-to-many relationship, and shows the UML class diagram which is then ma

1) First Problem: The relational data model cannot handle many-to-many relationships directly and is limited to one-to-one and one-to-many relationships. This means that you must replace the many-to-many relationships that you have identified in your data