Resolving Many-to-Many Relationships. What Will I Learn?. In this lesson, you will learn to: Identify attributes which belong to many-to-many relationships Demonstrate the steps to resolve a many-to-many relationship using an intersection entity
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The unique identifier (UID) of the intersection entity often comes from the originating relationships and is represented by the bars. In this case, the relationships from the originating entities to the intersection entity are called "barred" relationships.