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Data Warehousing

Data Warehousing
The role of the ETL process is to identify erroneous data and to fix them.

True
False

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Data Warehousing
Both status data and event data can be stored in a database.

False
True

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Data Warehousing
Star schema is suited to online transaction processing, and therefore is generally used in operational systems, operational data stores, or an EDW.

False
True

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Data Warehousing
Fact tables are which of the following?

Completely denoralized
Partially denoralized
Completely normalized
Partially normalized

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Data Warehousing
Successful data warehousing requires that a formal program in total quality management (TQM) be implemented.

True
False

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Data Warehousing
The @active data warehouse architecture includes which of the following?

Data that can extracted from numerous internal and external sources
All of these
At least one data mart
Near real-time updates

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