Modeling Beginner Quiz 3
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Quiz 3
1. What is a Fact Table?
Storage holding text property values
Central repository keeping quantitative metrics
Dummy structure sandbox verification testing
2. What is a Dimension Table?
Math processing system boundary calculators
Aggregates evaluating transactional metric metrics
Contextual business entities product description
3. Which schema resembles a center table with radiating legs?
Star Schema
Snowflake Schema
Hierarchy Schema
4. A Snowflake Schema differs from a Star Schema because:
Operating seasonal execution queries
Normalizing structural dimension layers
Appending redundant index assignments
5. What is a Data Mart?
External marketplace commerce exchange
Complete corporate central enterprise repository
Targeted localized subset analytical warehouse
6. What does ETL stand for?
Extract, Transform, Load
Entry, Time, Logic
Exit, Transfer, Log
7. A 'Granularity' of data refers to:
Physical density surface storage media
Atomic detail levels record components
Matrix capacity thresholds schema files
8. What is an OLAP cube?
Three dimensional solid hardware state
Spatial cryptographic sequence mask patterns
Multi-dimensional array structures rapid analysis
9. OLTP systems (like a cash register) focus on:
Rapid high-frequency transactional updates
Complex historical pattern macro analysis
Long-term archiving processes compliance criteria
10. OLAP systems (like a report) focus on:
Processing single isolated insert sequences
Aggregating immense historical warehouse volumes
Executing real-time edge inventory checkpoints
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