How do you deal with m..n relationships in a relational database?

Question

Let\'s look at an example - books. A book can have 1..n authors. An author can have 1..m books. What is a good way to represent all of the authors of a book?

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Answer 1

Add another table called BookAuthors with columns for BookID, AuthorID, and NameUsed. A NULL value for NameUsed would mean to pull it from the Author's table instead. This is called an Intersection table.