As of April 10, 2026, Dataplex Universal Catalog is now called Knowledge Catalog. The API, client library, CLI, and IAM names remain unchanged. For more information, see Introducing the Google Cloud Knowledge Catalog.
About lineage use cases
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Data lineage in Knowledge Catalog lets you track how data moves through your systems. To explore how you can use data lineage to solve common data management challenges, see the following use cases:
- Analyze the impact of data changes on workflows to identify how data transformations affect downstream resources and data integrity.
- Analyze causes of Personally Identifiable Information (PII) leak to trace the flow of sensitive data back to the process that moves it from a trusted to an untrusted location.
- Optimize costs to reduce storage costs by identifying assets that are not actively used as sources for other processes.
Prerequisites and setup
Before you start, complete the steps on the prerequisites and setup page.