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Approaches to provisioning safe, realistic test data: subsetting, masking, synthesis, and hybrid pipelines.
Compare database cloning, virtualization, and subsetting for test data — how each trades off storage, speed, and referential integrity.
How masking and subsetting break referential integrity in test data, and the techniques that keep foreign key relationships intact.
How data masking protects sensitive data across test, QA, and staging — core techniques, referential integrity, and where it fits in TDM.
What data subsetting is, how to build smaller test databases, and how to keep them referentially intact when you shrink production data.
When to use synthetic test data vs.