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Phase 5 · SQL & Databases for QA

Topics

Data Validation Techniques

Part of the QA Testing Roadmap.

Summary

Confirming that data meets expected format, range, and consistency rules — checking for null values where they shouldn't exist, correct data types, and referential integrity between related tables.

How to Learn This

  • 1Write a query to find rows violating an expected data rule (e.g. negative prices).
  • 2Learn to build a personal checklist of common data validation checks to run.
  • 3Practice validating data consistency between two related tables.

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Database Testing Basics

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Backend Testing

More topics in SQL & Databases for QA

SQL Fundamentals for TestersWriting Test Queries (SELECT, JOIN)Database Testing BasicsBackend TestingStored Procedures Testing (Overview)Database Schema ReadingData Integrity Testing
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