In data warehousing, what is the significance of using a staging area during data loading?

  • It allows for direct loading of data into the target tables
  • It enables data validation before loading into the target tables
  • It improves query performance on the target tables
  • It provides a temporary storage area for transformed data
The staging area in data warehousing serves as a temporary storage area for transformed data during the ETL process. It allows for data cleansing, validation, and transformation before loading into the target tables, ensuring data quality and consistency.
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