Microsoft Exam 70-779 Topic 5 Question 6 Discussion

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You have a query named Query1 that retrieves the user information from two Excel files. One of the Excel files does not contain location information. A sample of the data retrieved by the query is shown in the following table.

You need to ensure that values in UserName are unique. The solution must ensure that the locations are retained. A sample of desired output is shown in the following table.

Solution: You use the Group By function to group the rows by UserName and you specify output columns for UserID and Location by using the Max operation.

Does this meet the goal?