# A books table stores (book_id, title, author_id, author_name, publisher_id, publisher_name)

Canonical URL: <https://datadriven.io/problems/a-books-table-stores-bookid-title-authorid-authorname-6ac9262b>

Domain: Data Modeling · Difficulty: medium

## Problem

A books table stores (book_id, title, author_id, author_name, publisher_id, publisher_name). Author and publisher names depend on their IDs, not book_id. Extract both to achieve 3NF.

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