How should you use a MERGE T-SQL statement to accomplish this goal?

Posted by: Pdfprep Category: 70-463 Tags: , ,

DRAG DROP

You are creating a sales data warehouse. When a product exists in the product dimension, you update the product name. When a product does not exist, you insert a new record.

In the current implementation, the DimProduct table must be scanned twice, once for the insert and again for the update. As a result, inserts and updates to the DimProduct table take longer than expected.

You need to create a solution that uses a single command to perform an update and an insert.

How should you use a MERGE T-SQL statement to accomplish this goal? (To answer, drag the appropriate answer choice from the list of options to the correct location or locations in the answer area.

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Answer:

Explanation:

References:

http://msdn.microsoft.com/en-us/library/bb510625.aspx

http://msdn.microsoft.com/en-us/library/cc280522.aspx

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