SQL and Database Fundamentals

Learn to write queries, design relational databases, and manage data with PostgreSQL and MySQL.

4.7 (6,903) ⏱ 1h 53m 📚 5 lessons 🎧 Audio version

About this course

Ready to unlock the power of data? Understanding databases and SQL is a critical skill for almost any role in technology, from development and data analysis to product management. This course provides a clear, step-by-step path to mastering relational databases. You will move from basic concepts to writing confident, effective SQL queries, enabling you to retrieve, manipulate, and analyze data for any project. What you'll learn: - Learn the fundamentals of SQL syntax, including commands for querying, inserting, updating, and deleting data. - Practice writing essential queries, from simple SELECT statements to complex JOINs and aggregations. - Understand the principles of relational database design, including normalization and defining table relationships. - Apply modern SQL techniques like Common Table Expressions (CTEs) and window functions for advanced data analysis. - Explore core database management concepts, including transaction control and the role of indexing for performance. - Set up and interact with popular database systems like PostgreSQL and MySQL through practical, text-based exercises. - Grasp the key differences between SQL and NoSQL databases to make informed technology choices. The course begins with foundational database theory and syntax before progressing to hands-on exercises in database design and query writing, building your skills progressively. This course is designed for absolute beginners. No prior experience with databases or programming is required to get started. Begin your journey into the world of data today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 30-day refund
    No questions asked
  • Short & focused
    1h 53m of practical content

Reviews (4)

Ella Moreau CA
★ 3 · 2026-05-19T02:38:52+00:00

It's a good course if you have some prior knowledge. For absolute beginners, some concepts might be a bit challenging. The structure is logical, though.

نورة بنت أحمد البلوشي OM
★ 4 · 2026-02-10T02:39:52+00:00

Pretty informative. The course covered the basics well, but some advanced topics felt a little glossed over. Good for getting started.

Javier Mendoza MX Verified learner
★ 5 · 2026-01-29T09:30:52+00:00

Fantastic course! The real-world examples were invaluable. I can actually use this knowledge now.

Naomi Klein IL
★ 4 · 2026-01-03T07:55:52+00:00

Thoroughly enjoyed this course. The way the information was presented was excellent, and the practical applications were highlighted effectively. Great job!

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe, or with cryptocurrency. We do not store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 30 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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