This page lists the best SQL practice platforms to help you prepare for technical assessments and interviews. Resources are grouped by skill level and learning style, with a suggested path so you know where to start and how to progress.

If you are preparing for a data analyst, business analyst, or analytics-focused role, this guide is for you.

Bookmark this page and return to it as you progress. You do not need every resource at once.

This guide is maintained by @analyticsbybusayo, where I share practical SQL tips, assessment prep, and analytics career guidance.

How to Use This Guide

• Start with beginner-friendly platforms to build confidence
• Practice core SQL topics daily, even for 15 minutes
• Move to interview-style questions once fundamentals feel natural
• Focus on understanding logic, not memorizing answers

Core SQL Topics to Master

• SELECT and WHERE
• JOINs, inner, left, right
• GROUP BY and aggregate functions
• HAVING vs WHERE
• Subqueries
• Basic window functions, optional but valuable

Free SQL Practice Resources

HackerRank SQL

Best for: Beginners to early intermediate

Why it helps: Structured SQL tracks that closely resemble real assessments