Essay
Explain the term enterprise-wide in the following data warehouse definition:
The data warehouse is a structured repository of integrated,subject-oriented,enterprise-wide,historical,and time-variant data.The purpose of the data warehouse is the retrieval of analytical information.A data warehouse can store detailed and/or summarized data.
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Q5: Which of the following is NOT a
Q6: Explain the term historical in the following
Q7: Explain the term time-variant in the following
Q8: Data time-horizon is:<br>A)Typically longer in operational systems
Q9: Operational queries are typically issued:<br>A)More often than
Q11: What is the difference between developing the
Q12: Explain the term subject-oriented in the following
Q13: Describe the data redundancy difference between operational
Q14: Explain the term detailed and/or summarized data
Q15: Implicit changes of data warehouse requirements are