# A course_assignments table has (professor, course, room) where a professor can teach in multiple roo

Canonical URL: <https://datadriven.io/problems/a-courseassignments-table-has-professor-course-room-whe-6cfe3fc5>

Domain: Data Modeling · Difficulty: medium

## Problem

A course_assignments table has (professor, course, room) where a professor can teach in multiple rooms and multiple courses. A room determines the building. Extract building into a separate table to achieve BCNF.

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