Scenario: During ETL testing, you encounter duplicate records in the target database that were not present in the source data. What could be the cause of this issue?

  • Data Accuracy Issue
  • Data Consistency Issue
  • Data Duplication Issue
  • Data Integrity Issue
This suggests a data integrity issue. Data integrity ensures the accuracy, reliability, and consistency of data throughout its lifecycle. In this scenario, the presence of duplicate records in the target database that were not in the source data indicates a failure in maintaining the integrity of the data during the ETL process.
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