Higher Education · Software Engineering
Database Testing
What is it
Database testing verifies the correctness, integrity, and performance of the data layer of an application — covering schema validation, data integrity constraints, stored procedures, and ensuring queries return accurate results under concurrent access.
Why it matters
The database is where an application's most valuable asset — its data — actually lives, so a bug that silently corrupts or loses data is often far more damaging than a bug in the user interface, making rigorous database testing a genuinely high-stakes discipline.
Exam tip
When testing database operations, always verify behaviour under concurrent access (multiple operations happening at once), not just single-user scenarios — race conditions and locking issues are among the most common and hardest-to-reproduce database bugs in production systems.
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