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Datafold ingests and stores various types of data to ensure accurate data quality checks and insights:
  • Metadata: This includes table names, column names, and queries executed in the data warehouse.
  • Data for Data Diffs:
    • For in-database diffs, all data visible in the app, including data samples, is fetched and stored.
    • For cross-database diffs, all data visible in the app, including data samples, is fetched and stored. Larger amounts of data are fetched for comparison purposes, but only data samples are stored.
  • Table Profiling in Data Explorer: Datafold stores samples and distributions of data to provide detailed profiling.
Sampled data is kept until you delete it, or until the Data retention period set on each data connection expires. Public sharing links for data diffs, which anyone with the link can open without a Datafold account, are off by default and controlled in Settings → Org Settings.