Writing Your First SQL Query
Learn the essential SQL commands — SELECT, WHERE, INSERT, UPDATE, DELETE — with real examples you can run in Supabase.
SQL (Structured Query Language, pronounced "sequel") is how you talk to databases. It's been around since the 1970s and is still the standard way to interact with relational databases everywhere. When AI generates backend code for your app, it's often writing SQL or using a library that generates SQL behind the scenes.
You don't need to become a SQL expert. But knowing the basics lets you understand what's happening with your data, debug issues faster, and make better requests to AI tools.
Let's write some real queries using the Supabase SQL Editor.
Getting Set Up
Open your Supabase project dashboard and click SQL Editor in the left sidebar. You'll see a blank query editor where you can type and run SQL.
Make sure you have some data in your todos table from the previous less
This lesson is part of the Guild Member curriculum. Plans start at $29/mo.