Foundations of SQL and Relational Database Design — PickAClass
4.2 (6) ⏱ 2h 48m 📚 28 lessons

Foundations of SQL and Relational Database Design

Learn to write clean SQL queries, design efficient relational databases, and manage multi-table data structures using industry-standard MySQL practices.

  • 💬 AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • 🕐 Start anytime
    No schedules or deadlines — learn at your own pace, whenever suits you.
  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

In today's data-driven world, knowing how to store, organize, and retrieve information is an essential skill for developers, analysts, and creators alike. Understanding how databases function under the hood allows you to build robust applications and make better data-informed decisions. This course guides you from absolute database beginner to confidently writing structured queries and designing relational schemas. You will learn how to set up a local database environment, write queries to extract precise data, and structure tables to prevent redundancy. What you'll learn: - Understand core database concepts, relational theory, and essential SQL terminology - Configure a local development environment using MySQL to write and test your queries - Write single-table queries using filtering, sorting, and basic aggregation functions - Design multi-table databases using primary keys, foreign keys, and referential integrity - Query multiple tables simultaneously using various types of JOIN operations - Model complex many-to-many relationships to represent real-world application data - Apply database performance basics like indexing and basic security practices to prevent SQL injection You will begin by exploring fundamental database concepts and setting up your local MySQL environment. From there, the text-based lessons walk you through writing basic queries, designing multi-table schemas, and implementing advanced relationships with clear written explanations and code snippets. This course is designed specifically for beginners with no prior database or programming experience. Start your journey into the world of relational databases and master the fundamentals of SQL 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.
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 48m 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.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Foundations of SQL and Relational Database Design
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Foundations of SQL and Relational Database Design
Page 2 of 2
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.

Reviews (6)

نورة حسن AE
★ 4 · July 26, 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.

Ochieng Okoth KE Verified learner
★ 4 · July 18, 2026

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

Chathuri Gunawardena LK
★ 5 · July 12, 2026

This course exceeded my expectations! The structure was logical, and the explanations were crystal clear. Gained so much knowledge.

Agustín Vargas UY Verified learner
★ 4 · June 24, 2026

This was a good introduction. The structure is logical, and it covers the basics effectively. Might be too introductory for advanced learners.

عصام محمود JO Verified learner
★ 5 · June 12, 2026

Solid course. It covered the essentials well, and the structure was logical. Could have used a few more practical application examples, but overall a good learning tool.

عمر فاروق EG Verified learner
★ 3 · June 7, 2026

Solid content and presented clearly. I appreciated the real-world applications shown. Could have used a few more practice opportunities.

Write a review

You'll be asked to sign in after sending — your draft is saved.

Learners also took

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.

Built for learners in
Tech Design Finance Marketing Healthcare Education Hospitality Manufacturing