# A student_courses table stores multiple course names as a comma-separated list in one column

Canonical URL: <https://datadriven.io/problems/a-studentcourses-table-stores-multiple-course-names-as-a-co-47d16de4>

Domain: Data Modeling · Difficulty: medium

## Problem

A student_courses table stores multiple course names as a comma-separated list in one column. This violates 1NF. Redesign it so each enrollment is its own row, with atomic values in every column.

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