Microsoft
70-458 · Question #20
70-458 Question #20: Real Exam Question with Answer & Explanation
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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
- AJoin the two fact tables.
- BMerge the fact tables.
- CCreate a time dimension that can join to both fact tables at their respective granularity.
- DCreate a surrogate key for the time dimension.
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