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100 SQL Practice Problems for Testers

Published by SoftwareTestPilot

PDF • 27 pages • Workbook • Beginner to Advanced • SQL for QA

Published 5 October 2026 • Updated 5 October 2026

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This PDF contains 100 practical, QA-focused SQL problems designed for software testers.

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Overview

This PDF contains 100 practical, QA-focused SQL problems designed for software testers. It provides hands-on SQL exercises built around real-world scenarios such as software testing, API validation, database checks, ETL testing, defect investigation, and interview preparation. Each problem includes a solution query and a QA takeaway. This workbook is built for QA Engineers, Software Testers, SDETs, and Automation Testers. It covers a range of topics from basic data retrieval to advanced challenges, including joins, data quality, API, ETL, dates, CTEs, and window functions. The problems are organized by the testing skill they build and progress from beginner to advanced difficulty, helping testers apply SQL to validate business rules and data integrity.

What you'll learn

  • Verify active users with specific status.
  • Select only necessary columns.
  • Find users by primary key ID.
  • Filter records by city or location.
  • Validate boundary conditions with price filters.
  • Sort data by one or multiple columns.
  • Test partial search and autocomplete features.

Topics covered

  • interview-preparation

Table of contents

  1. Basic Data Retrieval
  2. Filtering and Sorting
  3. NULL, Duplicate and String Checks
  4. Counts, Aggregates and Grouping
  5. Joins and Relationship Validation
  6. Subqueries and CTEs
  7. Date and Time Validation
  8. Data Quality and Business Rules
  9. API, ETL and Integration Validation
  10. Advanced QA Challenges

Selected preview

SoftwareTestPilot | https://softwaretestpilot.com/products | Page 2 00 / SQL FOR SOFTWARE TESTERS Contents 100 SQL practice problems grouped by the testing skill they build. Basic Data Retrieval Problems 1-10 Filtering and Sorting Problems 11-20 NULL, Duplicate and String Checks Problems 21-30 Counts, Aggregates and Grouping Problems 31-40 Joins and Relationship Validation Problems 41-50 Subqueries and CTEs Problems 51-60 Date and Time Validation Problems 61-70 Data Quality and Business Rules Problems 71-80 API, ETL and Integration Validation Problems 81-90 Advanced QA Challenges Problems 91-100

Extract from the PDF pages of this resource.

Tools covered

  • SQL

Skills covered

  • SQL for QA

Who this resource is for

  • Fresher
  • Automation Tester
  • QA Engineer

Format and what you get

  • A downloadable PDF you can read on phone or laptop.
  • Included in the QA Notes Vault: one payment unlocks every note in the Vault, with lifetime access to it.
  • Download after signing in with the account that paid. Refunds follow our refund policy.

100 SQL Practice Problems for Testers: common questions

1.What does 100 SQL Practice Problems for Testers cover?
It covers Basic Data Retrieval, Filtering and Sorting, NULL, Duplicate and String Checks, Counts, Aggregates and Grouping, Joins and Relationship Validation and more.
2.How long is this PDF and what format is it in?
It is a 27-page PDF you can read on any phone, tablet or laptop.
3.Who is this resource for?
Fresher, Automation Tester, QA Engineer.
4.How do I get the full PDF?
It is included in the QA Notes Vault. After a one-time Vault purchase you can download it, and every other Vault resource, from this page.

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