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Phase 5 · SQL & Databases for QA

Topics

Data Integrity Testing

Part of the QA Testing Roadmap.

Summary

Verifying that relationships between data remain consistent — no orphaned records, no broken foreign key references, no duplicate entries where uniqueness is required.

How to Learn This

  • 1Write a query to find orphaned records (e.g. orders referencing a deleted customer).
  • 2Learn why data integrity issues often surface as confusing, hard-to-reproduce application bugs.
  • 3Practice designing a test scenario specifically targeting a data integrity constraint.

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Database Schema Reading

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Programming Basics (Java or Python)

More topics in SQL & Databases for QA

SQL Fundamentals for TestersWriting Test Queries (SELECT, JOIN)Database Testing BasicsData Validation TechniquesBackend TestingStored Procedures Testing (Overview)Database Schema Reading
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