When We Consider Data in the Data Warehouse to Be

question 3

Multiple Choice

When we consider data in the data warehouse to be time-variant,we mean:

• 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.