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Data Warehousing
The extract process is which of the following?
Capturing all of the data contained in various operational systems
Capturing a subset of the data contained in various operational systems
Capturing all of the data contained in various decision support systems
Capturing a subset of the data contained in various decision support systems
Correct Answer:
Capturing a subset of the data contained in various operational systems
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Data Warehousing
A data warehouse is which of the following?
Data transformation includes which of the following?
The generic two-level data warehouse architecture includes which of the following?
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A star schema has what type of relationship between a dimension and fact table?
Transient data is which of the following?
Reconciled data is which of the following?
The load and index is which of the following?
A multifield transformation does which of the following?
The role of the ETL process is to identify erroneous data and to fix them.
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