Many-to-Many Unidirectional Relationship
Learn about implementing a many-to-many relationship using a join table.
Every tournament has some playing categories like singles and doubles for men and/or ladies. In addition, all four grand slam tournaments have the mixed doubles category. Other less known categories are wheelchair tennis and beach tennis. This scenario fits well into the many-to-many relationship where many categories are part of a tournament and many tournaments have the same playing categories.
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