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Data Warehousing
Data scrubbing is which of the following?
A process to reject data from the data warehouse and to create the necessary indexes
A process to load the data in the data warehouse and to create the necessary indexes
A process to upgrade the quality of data after it is moved into a data warehouse
A process to upgrade the quality of data before it is moved into a data warehouse
Correct Answer:
A process to upgrade the quality of data before it is moved into a data warehouse
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More Questions from
Data Warehousing
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.
Successful data warehousing requires that a formal program in total quality management (TQM) be implemented.
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