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SQL Fundamentals
Master SELECT, INSERT, UPDATE, DELETE and the essential SQL toolkit every QA engineer needs
- Introduction — Why SQL Is Your Best Friend in QA
- What is SQL? Understanding Databases
- SELECT — Reading Data From Tables
- WHERE — Filtering Exactly What You Need
- ORDER BY, LIMIT, OFFSET — Sorting and Pagination
- INSERT — Adding Test Data
- UPDATE — Modifying Data for Test Scenarios
- DELETE and TRUNCATE — Cleaning Up
- SQL Data Types — Why They Matter for Testing
- Aliases, DISTINCT, and NULL Handling
- Real QA Scenarios — SQL That Saved Hours
- Summary and Practice Exercises