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Data Warehousing
The generic two-level data warehouse architecture includes which of the following?
At least one data mart
Data that can extracted from numerous internal and external sources
Near real-time updates
All of the above.
Correct Answer:
Data that can extracted from numerous internal and external sources
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More Questions from
Data Warehousing
Data scrubbing is which of the following?
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.
A data mart is designed to optimize the performance for well-defined and predicable uses.
Data in operational systems are typically fragmented and inconsistent.
Star schema is suited to online transaction processing, and therefore is generally used in operational systems, operational data stores, or an EDW.
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