// freeCodeCamp · 14 January 2026

How Relational Database Constraints Work and Why They're Important

Databases are a crucial tool because they store the data that power our day-to-day lives. Databases are designed to match the real world as much as possible, so they store data of different forms, about different things, just as it is in the world. T...

freeCodeCamp

@freecodecamp · Zubair Idris Aweda

www.freecodecamp.org

freeCodeCamp@freecodecamp