Computer Science · Data Warehousing
A securities firm uses a snowflake schema in its data warehouse for compliance reporting. Why does this schema conceptually outperform a star schema in scenarios requiring strict enforcement of referential integrity across complex hierarchies?
- 1It supports faster aggregation due to fewer tables
- 2It prioritizes real-time inserts over historical storage
- 3It allows denormalized fact tables for simpler queries
- 4It normalizes dimensions to reduce redundancy and enforce entity relationships✓
Correct answer
It normalizes dimensions to reduce redundancy and enforce entity relationships
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