Storing a many-to-many relationship in a relational database would require the creation of an additional relation even if there was no intersection data.

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This is because many-to-many relationships cannot be directly represented in a relational database, and therefore require the creation of a junction table that stores the relationship between the two tables. Even if there is no intersection data, this additional relation is still required to properly represent the many-to-many relationship.

Storing a Many-To-Many Relationship in a Relational Database Would Require