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Home/ Questions/Q 8137453
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Editorial Team
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Editorial Team
Asked: June 6, 20262026-06-06T11:07:34+00:00 2026-06-06T11:07:34+00:00

I have three tables Author, Book and AuthorBook. AuthorBook table only contains two foreign

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I have three tables Author, Book and AuthorBook. AuthorBook table only contains two foreign keys pointing to Author and Book tables to achieve many to many relation between Author and Book table.

When I generated models from database, the Author and Book models are created without any association among them. I was expecting “Books” under Author model and “Authors” under Book model. Am I missing anything here or this is the way it works?
Here is my table Diagram
enter image description here

And here is my model diagram

enter image description here

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  1. Editorial Team
    Editorial Team
    2026-06-06T11:07:36+00:00Added an answer on June 6, 2026 at 11:07 am

    The table BookAuthor was not included by Entity Framework because it did not have a primary key. I fixed this issue by defining a primary key (on authorid and bookid) on the table.

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