Relational Databases and SQL Fundamentals — PickAClass
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⏱ 2h 42m 📚 27 lessons 🎧 Audio version

Relational Databases and SQL Fundamentals

Understand database design principles and master essential SQL commands for practical application.

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  • 🕐 Start anytime
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  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Ready to build a solid foundation in managing and querying data? This course provides a clear, text-based introduction to the core concepts of relational databases and SQL. You will gain a comprehensive understanding of how to design efficient databases and write effective SQL queries, preparing you to work with data effectively. What you'll learn: - Understand the principles of relational database design, including normalization. - Master fundamental SQL commands for data manipulation and retrieval. - Learn to construct queries for common data analysis tasks. - Explore the importance of data integrity and consistency. - Practice writing SQL statements to interact with a database. - Gain insights into modern database practices like indexing for performance. This course covers key terminology, basic concepts, and practical applications of relational databases and SQL, suitable for beginners with no prior experience. Start your journey into the world of databases today.

Course contents

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
  • 💸 14-day refund
    No questions asked
  • ⚡ Short & focused
    2h 42m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
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Name Surname
has successfully demonstrated mastery of
Relational Databases and SQL Fundamentals
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Decision-architecture frameworks
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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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 don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — 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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