There are three main types of data warehouses,which are data marts,operational data stores,and enterprise data warehouses.
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Q13: A data warehouse needs to support scalability,which
Q14: There are five levels of metadata management
Q15: There are many middleware tools that business
Q16: Data warehouses contain vast amounts of internal
Q17: ETL tools transport data between sources and
Q19: Once the data are entered into the
Q20: A real-time data warehouse together with a
Q21: Which of the following is needed to
Q22: Which of the following is one of
Q23: Which of the following is not a
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