SQL for Data Analysis and Database Management โ€” WalkSelf
โ˜… 4.0 (4) โฑ 2h 48m ๐Ÿ“š 28 lessons ๐ŸŽง Audio version

SQL for Data Analysis and Database Management

Learn to design, query, and scale PostgreSQL databases to transform complex raw data into actionable insights for any organization.

  • ๐Ÿ’ฌ AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • ๐Ÿ• Start anytime
    No schedules or deadlines โ€” learn at your own pace, whenever suits you.
  • ๐ŸŒ In English
    Lessons, tasks and certificate โ€” all fully in your language.

About this course

In a world driven by information, the ability to communicate with databases is a fundamental skill for any data professional. Raw data holds immense value, but only if you know how to structure, retrieve, and optimize it effectively. This course provides a comprehensive foundation in SQL and database architecture, moving from basic syntax to sophisticated data management techniques. You will gain the skills needed to build robust database systems and perform deep analytical queries that drive business decisions. What you'll learn: - Understand relational database design and the principles of data normalization - Write complex queries using window functions, subqueries, and advanced joins - Create stored functions and triggers to automate database logic and maintain integrity - Apply indexing strategies and query optimization to handle large-scale datasets - Explore modern scaling concepts and the role of databases in current AI workflows - Practice data cleaning and transformation techniques for accurate reporting The course begins with essential terminology and the core logic of relational systems before progressing through practical query writing and database administration. You will learn through clear written explanations and code-based exercises designed to build real-world proficiency. This course is designed for beginners and aspiring data analysts who want to build a strong technical foundation. No prior database experience is required to begin. Start your journey into professional data analysis and database design today.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ๐ŸŽง Audio version included
    Learn on the go โ€” no screen needed
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    2h 48m of practical content

Reviews (4)

Alice Moretti IT Verified learner
โ˜… 3 ยท October 7, 2026

Hmm, I'm not sure this is for absolute beginners. It assumes a bit of prior knowledge that wasn't explicitly taught. Some examples were confusing.

Frรฉdรฉric Lefevre MC Verified learner
โ˜… 5 ยท September 19, 2026

This course exceeded my expectations. The real-world applications discussed are incredibly useful. Great job!

ะฅะฐะผะธั‚ ะะฑะธะปัŒะดะธะฝ KZ Verified learner
โ˜… 4 ยท September 11, 2026

This course exceeded my expectations. The structure was perfect, building knowledge step-by-step. Really valuable content.

Lรฉa Pelletier MC Verified learner
โ˜… 4 ยท June 27, 2026

It's a solid course. The structure is logical and most of the examples were helpful. Could use a few more real-world scenarios though.

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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. We donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” full refund within 14 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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