When We Consider Data In The Data Warehouse To Be Time-Variant, We Mean:

(Correct Answer Below)

When We Consider Data In The Data Warehouse To Be Time-Variant, We Mean:

an: A) that the time of storage varies. B) data in the warehouse contain a time dimension so that they may be used to study trends and changes. C) that there is a time delay between when data are posted and when we report on the data. D) none of the above.
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B

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