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Q. |
In data warehousing what is time-variant data? |
A. | data in the warehouse is only accurate and valid at some point in time or over time interval |
B. | data in the warehouse is always accurate and valid |
C. | data in the warehouse is not accurate |
D. | data in the warehouse is only accurate sometimes |
Answer» A. data in the warehouse is only accurate and valid at some point in time or over time interval |
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