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Data Warehousing

Data Warehousing
Independent data marts are often created because an organization focuses on a series of short-term business objectives.

False
True

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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
Derived data are detailed, current data intended to be the single, authoritative source for all decision support applications.

False
True

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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
A snowflake schema is which of the following types of tables?

Dimension
Helper
All of these
Fact

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Data Warehousing
Static extract is used for ongoing warehouse maintenance.

False
True

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