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Question 159 - TDS-C01 discussion

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Which of the following is true about 'Incremental refresh' when creating Extracts in Tableau?

A.
It only adds rows that are new since the previous refresh.
Answers
A.
It only adds rows that are new since the previous refresh.
B.
There is no difference, both are the same when using extracts. They are different when using live connections.
Answers
B.
There is no difference, both are the same when using extracts. They are different when using live connections.
C.
It replaces all of the contents in the extract
Answers
C.
It replaces all of the contents in the extract
D.
They can only be used with large datasets
Answers
D.
They can only be used with large datasets
Suggested answer: A

Explanation:

Extracts are saved subsets of data that you can use to improve performance or to take advantage of Tableau functionality not available or supported in your original data. When you create an extract of your data, you can reduce the total amount of data by using filters and configuring other limits. After you create an extract, you can refresh it with data from the original data.

When refreshing the data, you have the option to either do a full refresh, which replaces all of the contents in the extract, or you can do an incremental refresh, which only adds rows that are new since the previous refresh.

asked 23/09/2024
thanh nguyen
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