Primary Key vs Secondary Key – TL;DR

Hussein Nasser dives into what sets a primary key apart from a secondary key in your database and why choosing the right one can make or break your performance. Think of a primary key as your table’s VIP pass (unique, indexed, can’t be null) while secondary keys are your helpful sidekicks for faster lookups on other columns.

Along the way he drops links to support his work (PayPal tip jar, YouTube membership), share his backend and database engineering courses/playlists, and even gives a peek at the mic, camera, and design tools that make his videos shine. Enjoy, nerd out, and optimize your schemas!

Watch on YouTube