Relational Databases and SQL Querying Fundamentals — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Relational Databases and SQL Querying Fundamentals

Master relational database design, schema relationships, and essential SQL queries through clear written lessons and practical exercises.

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  • 🌐 In English
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About this course

Relational databases power modern software applications by storing and organizing structured data efficiently. This course provides a solid, beginner-friendly foundation in relational database architecture and core SQL operations through detailed text explanations and code snippets. You will begin by learning essential database terminology, key constraints, and relational data modeling principles. As you build your understanding, you will progress to writing clean SQL statements for retrieving, inserting, updating, and removing data across single and related tables. What you'll learn: - Understand core relational concepts, primary keys, foreign keys, and schema design - Create and structure tables using appropriate data types and integrity constraints - Write SQL queries to filter, sort, and aggregate data efficiently - Execute fundamental data manipulation operations using INSERT, UPDATE, and DELETE - Combine data across multiple tables using SQL join operations - Apply basic indexing principles and common table expression patterns for query organization The course opens with fundamental definitions and schema concepts before moving into step-by-step SQL syntax and practical querying techniques. Created specifically for beginners, this reading-based material requires no prior database experience. Start building your data management skills 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
    3h 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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has successfully demonstrated mastery of
Relational Databases and SQL Querying 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
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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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