PostgreSQL Database Design and SQL Fundamentals — PickAClass
4.0 (3) ⏱ 2h 36m 📚 26 lessons 🎧 Audio version

PostgreSQL Database Design and SQL Fundamentals

Learn to build, query, and manage scalable relational databases through clear written explanations and practical examples.

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About this course

Behind every high-performing application is a robust database capable of handling complex data with precision and speed. Understanding how to structure and retrieve information efficiently is a foundational skill for any modern developer or data professional. This course guides you through the essentials of PostgreSQL, teaching you how to design reliable data structures and write powerful SQL queries from scratch. You will move from understanding basic data storage to implementing enterprise-ready relational models that ensure data integrity and performance. What you'll learn: - Understand relational database concepts and the importance of ACID compliance - Write standard SQL to manage data and perform complex joins across tables - Design efficient database schemas using normalization and modern data types like JSONB - Implement indexing and performance tuning to ensure fast query execution - Configure user roles and security settings to protect database access - Apply object-relational features to handle complex application requirements The material begins with core terminology and architectural basics before progressing to hands-on SQL syntax and advanced structural design. You will practice through written exercises that simulate real-world database management tasks. This course is designed for absolute beginners with no prior database experience and developers looking to solidify their knowledge of relational systems. Start building professional database solutions with PostgreSQL today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 36m 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
This certifies that
Name Surname
has successfully demonstrated mastery of
PostgreSQL Database Design and SQL Fundamentals
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
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PickAClass — Name Surname
PostgreSQL Database Design and SQL Fundamentals
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 (3)

زينب بنت أحمد TN Verified learner
★ 3 · June 30, 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.

Daniel Fernández ES Verified learner
★ 5 · June 12, 2026

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

سالم بن محمد الوهيبي OM Verified learner
★ 4 · May 29, 2026

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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Yes — full refund within 14 days, no questions asked.

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

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

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