For an ETL process that involves complex data transformations, what testing strategy would you implement to ensure data integrity?

  • Data Completeness Testing
  • Data Consistency Testing
  • Data Masking
  • Data Profiling
Data Consistency Testing would be crucial in ensuring data integrity for an ETL process with complex transformations. This strategy involves verifying that data remains consistent across different stages of the transformation process, safeguarding against errors or discrepancies.
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