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Q. |
Which of the following statements is not true about refreshing a data warehouse |
A. | It is a process of managing timing differences between the updating of data sources and the related data warehouse objects. |
B. | Updates to dimension tables may occur at different times than the fact table. |
C. | The data warehouse administrator has more control over the load time lag than the valid time lag. |
D. | None of the above. |
Answer» D. None of the above. |
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