Data-Warehousing-1 online test, online practice test, exam, quiz
Online Practice Test
1. Which of the statement hold true about refreshing a data warehouse?
It is a process of managing timing differences between the updating of data sources and the related data warehouse objects
Updates to dimension tables may occur at different times than the fact table
The data warehouse administrator has more control over the load time lag than the valid time lag.
None of the above
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