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

Question

Quizplus · Accepted Answer

All the statements provided are true regarding the process of refreshing a data warehouse. Refreshing involves managing timing differences between updates in data sources and the data warehouse, updates to dimension and fact tables can indeed occur at different times, and the data warehouse administrator typically has more control over the load time lag (the time it takes for data to be loaded into the warehouse) than the valid time lag (the time difference between when data is valid in operational systems versus when it becomes valid in the data warehouse).

Which of the Following Statements Is Not True About Refreshing