December 2018
Beginner to intermediate
794 pages
19h 29m
English
It's finally time to create a relationship between the temperature table and internet sales table. The key on the Temperature table is a combination of the region name and the month number of the year. This column combination makes a single row unique in this table, as shown in the following screenshot:

Unfortunately, neither of those two columns currently exist in the Internet Sales table. However, the Internet Sales table has a relationship to the Sales Territory table, and the Sales Territory table has the region. Therefore, you can determine the region ...
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