Computer Science · Data Warehousing
Why is a staging area used in the ETL process?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To generate automatic backups of the warehouse
- 2To maintain real-time transaction logs
- 3To temporarily hold extracted data for transformation before loading✓
- 4To store final aggregated reports for end-users
Correct answer
To temporarily hold extracted data for transformation before loading
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