DMW-QUIZ-1-A assesses understanding of data warehousing concepts, focusing on operational metadata, star schema, data sources, and data types. It evaluates knowledge crucial for effective data management and analytics.
User-level metadata.
Transaction Data
Operational metadata.
Data mining metadata.
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Data mart
Data warehouse
Star schema
Concept Hierarchy
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Detect errors in data and rectifies
Propagates updates from the data sources to the warehouse
Converts data from legacy formats to warehouse format
Gather data from Multiple, heterogeneous resources
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Mean- mode = 2(mean-median)
Mean- median = 3(mean-mode)
Mean- mode = 3(mean-median)
Mean- median = 2(mean-mode)
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Bitmap
Joint Bitmap
Composite join Indices
None of the above
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Informational Processing
Lots of Scans
Summarized & Consolidated
All of the above
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4-Tiers
3-Tiers
2-Tiers
N-Tiers
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Hubs
Processcors
Switches
Gateways
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1
2
3
4
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Pivot
SLICE
DICE
Drill-Down
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Data Cube
Data Mart
Data Model
Dimension table
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Normalized.
Informational.
Summary.
Denormalized.
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HOLAP
MOLAP
ROLAP
SQL Servers
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Fact Constellation
Snow Flake
Star schema
None of the above
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Quiz Review Timeline (Updated): Mar 21, 2023 +
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