Advanced – Cloud & Data Testing
Data Migration Testing – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
Validation that data moved from a legacy system to a new system is complete, accurate, and consistent, with no loss or corruption.
In simple words
Making sure nothing is lost or corrupted when moving data to a new system.
Exam tip
Migration tests typically use reconciliation reports comparing source and target counts, checksums, and business-critical fields.
Related terms
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