Computer Science · Data Warehousing
What defines a periodic snapshot fact table in data warehousing?
- 1It captures transaction details at the finest grain
- 2It aggregates data on-the-fly during queries
- 3It records cumulative measures at regular intervals, like monthly balances✓
- 4It updates in real-time with every event
Correct answer
It records cumulative measures at regular intervals, like monthly balances
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