You are designing a data warehouse with two fact tables. The first table contains sales per month and the second table c

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answerhappygod
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You are designing a data warehouse with two fact tables. The first table contains sales per month and the second table c

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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?

A. Create a time mapping table.
B. Change the level of granularity in both fact tables to be the same.
C. Merge the fact tables.
D. Create a view on the sales table.
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