SQL SELECT Queries for Beginners: Filtering, Grouping, and Aggregations — PickAClass
⏱ 2h 42m 📚 27 lessons 🎧 Audio version

SQL SELECT Queries for Beginners: Filtering, Grouping, and Aggregations

Master the fundamentals of retrieving, filtering, grouping, and transforming relational database records with confidence.

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About this course

Extracting meaningful insights from relational databases starts with mastering the SELECT statement. This text-based course takes you step-by-step through core database querying concepts, helping you analyze and structure data with clarity. You will begin by learning essential database terminology, data types, and foundational syntax before writing your first queries. What you will learn: Learn foundational SQL syntax for selecting and alias-naming columns. Filter raw records precisely using comparison operators and logical conditions. Group datasets and perform calculations using aggregate functions like SUM and COUNT. Apply conditional branching using CASE statements to transform query outputs. Organize multi-step queries clearly using Common Table Expressions. Practice sorting and constraining result sets for accurate reporting. The course guides you through structured readings and written code examples from basic syntax to multi-step query design. It is created entirely for beginners with no prior database or programming experience. Start reading today to build practical database querying skills.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • 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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has successfully demonstrated mastery of
SQL SELECT Queries for Beginners: Filtering, Grouping, and Aggregations
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A/B test design
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SQL SELECT Queries for Beginners: Filtering, Grouping, and Aggregations
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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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