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When we've examined the ER Diagram, we can see the one-to-many relationship between **Author** and **Book** tables and also the many-to-many relationship (**BookCategory** table) between **Book** and **Category** tables. (There can be more than one category on each book and vice-versa in our scenario). |
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When we've examined the ER Diagram, we can see the one-to-many relationship between **Author** and **Book** tables and also the many-to-many relationship (**BookCategory** table) between **Book** and **Category** tables. (There can be more than one category on each book and vice-versa in our scenario).. |