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Question 271 - PL-300 discussion

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DRAG DROP

In Power Query Editor, you have three queries named ProductCategory, ProductSubCategory, and Product. Every Product has a ProductSubCategory.

Not every ProductsubCategory has a parent ProductCategory.

You need to merge the three queries into a single query. The solution must ensure the best performance in Power Query. How should you merge the tables? To answer, drag the appropriate merge types to the correct queries. Each merge type may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

NOTE: Each correct selection is worth one point.


Question 271
Correct answer: Question 271

Explanation:

Box 1: Inner Every

Product has a ProductSubCategory.

A standard join is needed.

One of the join kinds available in the Merge dialog box in Power Query is an inner join, which brings in only matching rows from both the left and right tables.

Box 2: Left outer Not

every ProductsubCategory has a parent ProductCategory.

One of the join kinds available in the Merge dialog box in Power Query is a left outer join, which

keeps all the rows from the left table and brings in any matching rows from the right table.

Reference:

https://docs.microsoft.com/en-us/power-query/merge-queries-inner

https://docs.microsoft.com/en-us/power-query/merge-queries-left-outer

asked 05/10/2024
Padmavathi Jawaharlal
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