Computer Science · Data Warehousing
A financial analyst queries a data warehouse for quarterly profit margins but notices discrepancies due to varying currency conversion rates applied during data loading. What is the most effective conceptual fix in the ETL process to prevent such issues?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Use parallel loading directly into the staging area without any currency transformation
- 2Ignore rate variations since metadata will handle them retrospectively during extraction
- 3Delegate currency conversion entirely to the end-user visualization application layer
- 4Standardize and apply unified currency conversion rates during the Transformation (T) stage of ETL✓
Correct answer
Standardize and apply unified currency conversion rates during the Transformation (T) stage of ETL
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