Need help? Check out our FAQs. We've compiled answers to common questions about our SQL tutoring services, courses, and more.
CodeWithSQL is a free online platform for learning SQL from beginner to advanced level. We offer structured courses with real SQL code examples, practical exercises, and personalized 1-on-1 mentorship for those who want guided learning.
Yes. All of our course content, from Beginner to Advanced, is completely free with no signup or payment required. We only charge for optional add-ons like personalized 1-on-1 mentorship and professional SQL development services.
CodeWithSQL was founded by Muhammad Abbas, an enterprise technology consultant with extensive experience in database architecture, Microsoft Dynamics 365, and data engineering. He also leads DynamicUnit, an enterprise technology consultancy.
You can reach us anytime by email at mail@mabbaz.com or through the contact form on our Contact page. We typically respond within 24 to 36 hours.
No. You can access every free course and read all lessons without creating an account or providing an email address. An account is only needed if you book paid mentorship sessions.
We offer three structured courses: SQL Beginner (8 chapters), SQL Intermediate (6 chapters), and SQL Advanced (12 chapters). Together they cover everything from basic syntax to performance tuning and large-database strategies.
If you are new to SQL, start with the Beginner course, it assumes no prior knowledge. If you already know the basics of SELECT, JOINs, and filtering, the Intermediate course is a good entry point.
Yes. Every lesson includes real, runnable SQL code examples and practical exercises so you can apply what you learn immediately on your own database.
Our free courses are focused on practical skill-building rather than certification. If you complete the courses alongside our mentorship program, your mentor can provide a letter of completion on request.
It depends on your pace. Most learners complete the Beginner course in 2 to 3 weeks of casual study. The full path from Beginner to Advanced typically takes 2 to 3 months.
Our mentorship program pairs you with an experienced SQL professional for personalized 1-on-1 or small-group sessions. Your mentor adapts to your pace and goals, reviews your queries, and helps you work through real-world problems.
Mentorship is a paid service. Pricing, scope, and session frequency are agreed directly before we begin, so you always know what to expect. Reach out through the contact form for a personalized quote.
Sessions are conducted online, one-on-one or in small groups. You bring your questions, code, or project, and your mentor guides you through it live, plus follow-up notes and resources between sessions.
Mentorship is led by professionals who work with SQL databases every day in enterprise environments, so you learn not just syntax but the real design decisions, performance trade-offs, and security considerations that matter in production.
Our lessons focus on standard ANSI SQL and highlight where major systems differ, including MySQL, PostgreSQL, and Microsoft SQL Server. The core concepts transfer across virtually any relational database.
To follow along you can install a free database like MySQL or PostgreSQL, or use an online SQL sandbox. You can also just read the lessons and results without installing anything.
Most examples use standard SQL that runs on any system. Where syntax varies between databases, we call it out explicitly so you know what to adjust for your environment.
We appreciate it! Send the lesson name and details to mail@mabbaz.com and we will review and correct it. We make every effort to keep our content accurate and up to date.