Computer Science · Data Warehousing
For a ROLAP implementation in a regulatory reporting data warehouse, why does it conceptually favor relational storage over pure multidimensional arrays, particularly for handling very large, sparse financial datasets?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To enable faster cube pre-computation for all possible views
- 2To leverage SQL for dynamic querying of relational sources without full materialization✓
- 3To store data solely in memory for sub-second responses
- 4To avoid any indexing, relying on sequential scans
Correct answer
To leverage SQL for dynamic querying of relational sources without full materialization
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