Signature course

SQL for QA

SQL for testers: SELECT, filters, NULLs, functions, GROUP BY, joins, subqueries, CTEs, window functions, data changes, constraints and data validation checks, with a live SQL editor on a real practice database in every lesson. A complete, hands-on path from your first test to a production-grade framework.

65
Lessons: 14
Sections: 13
Practice labs: ~16h
Of content

payment_mismatch.sql

1SELECT o.id, o.total, p.amount
2FROM orders o
3JOIN payments p ON p.order_id = o.id
4WHERE o.total <> p.amount;
5-- 1 row: order 102 was undercharged

1 passedsqlite · 2ms

The method

Built like real QA work, not a video playlist.

Learn

65 focused lessons, each a few minutes long.

Practice

13 hands-on labs in a browser workspace.

Test yourself

14 section assessments plus a final exam.

Prove it

A public, verifiable achievement for recruiters.

What you will learn

Core concepts of SQL for QA, explained in plain language
Apply SQL for QA on realistic QA scenarios
Spot and fix common mistakes testers make
Build confidence through practice and knowledge checks

Where you will be at the end

Complete 1 portfolio project
Pass the SQL for QA final assessment
Add verified proof to your Skill Passport

Curriculum

14 sections, one clear path.

LessonPracticeKnowledge checkProjectAssessment

Student reviews

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Finish with proof, not just a certificate PDF.

Pass the final assessment and get a public verification page showing your score, completion date and the skills you demonstrated — ready to share on LinkedIn.