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Chapter 3. Understanding Relationships > Many-to-Many Relationships

Many-to-Many Relationships

Many-to-many relationships are both more difficult to understand and more difficult to resolve than one-to-many relationships. Don't be frustrated if you need to reread this section a couple times before you understand how they work.

Again, I introduce the relationship type by using an example from the order-entry system. (I've slightly edited two tables you saw earlier in the chapter.) I then give you two detailed examples from the Classic TV database.


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