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Data Warehousing

Data Warehousing
Data in the data warehouse are loaded and refreshed from operational systems.

True
False

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

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

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Data Warehousing
A data mart is designed to optimize the performance for well-defined and predicable uses.

False
True

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Data Warehousing
Every key used to join the fact table with a dimensional table should be a surrogate key.

False
True

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Data Warehousing
A goal of data mining includes which of the following?

To confirm that data exists
To analyze data for expected relationships
To create a new data warehouse
To explain some observed event or condition

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

True
False

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