Advanced – Cloud & Data Testing
ETL Testing – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
Verification of Extract-Transform-Load workflows to ensure source data is correctly extracted, transformed per business rules, and loaded into the target system.
In simple words
Testing the pipes that move and reshape data from one system to another.
Exam tip
ETL tests typically compare source vs. target row counts, sampled values, and transformation rules.
Related terms
- Data TestingTesting that data moving through pipelines and dashboards is accurate, complete, and on time.
- Data QualityHow trustworthy your data is — right values, no gaps, no duplicates, up to date.
- Database TestingTesting the database directly — schemas, queries, procedures — not just through the UI.
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