Microsoft
70-463 · Question #206
You are designing a data warehouse with two fact tables. The first table contains sales per month and the second table contains orders per day. Referential integrity must be enforced declaratively. Yo
The correct answer is D. Change the level of granularity in both fact tables to be the same.. In order to join the facts table in time dimension we cannot have two different time measures
Design and implement a data warehouse
Question
You are designing a data warehouse with two fact tables. The first table contains sales per month and the second table contains orders per day. Referential integrity must be enforced declaratively. You need to design a solution that can join a single time dimension to both fact tables. What should you do?
Options
- ACreate a view on the sales table.
- BPartition the fact tables by day.
- CCreate a surrogate key for the time dimension.
- DChange the level of granularity in both fact tables to be the same.
How the community answered
(24 responses)- A4% (1)
- B13% (3)
- C25% (6)
- D58% (14)
Explanation
In order to join the facts table in time dimension we cannot have two different time measures
Topics
#fact table granularity#time dimension#data warehouse design#dimensional modeling
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