After loading data into a data warehouse, analysts find discrepancies in sales data. The ETL team is asked to trace back the origin of this data to verify its accuracy. What ETL concept will assist in this tracing process?
- Data Cleansing
- Data Profiling
- Data Staging
- Data Transformation
"Data Profiling" is a critical ETL concept that assists in understanding and analyzing the data quality, structure, and content. It helps in identifying discrepancies, anomalies, and inconsistencies in the data, which would be useful in tracing back the origin of data discrepancies in the sales data.
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