In ETL testing, what is the purpose of comparing source and target system data?
- To assess data quality
- To ensure data consistency
- To test data integrity
- To verify data completeness
Comparing source and target system data in ETL testing helps ensure data consistency between the original source and the destination after the ETL process. It validates that data has been accurately extracted, transformed, and loaded without loss or corruption, thereby maintaining data integrity and quality throughout the process.
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