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Question 77 - TDA-C01 discussion

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You connect to a database server by using Tableau Prep. The database server has a data role named Role1.

You have the following field in the data.

You need to apply the Role1 data role to the Material field.

Which two actions should you perform? Choose two.

A.
From the More actions menu of Materials, select Valid in the Show values section.
Answers
A.
From the More actions menu of Materials, select Valid in the Show values section.
B.
For the data type of the Material field, select Custom, and then select Role1.
Answers
B.
For the data type of the Material field, select Custom, and then select Role1.
C.
From the More actions menu of Materials, select Group Values, and then select Spelling.
Answers
C.
From the More actions menu of Materials, select Group Values, and then select Spelling.
D.
From the More actions menu of Materials, filter the selected values.
Answers
D.
From the More actions menu of Materials, filter the selected values.
Suggested answer: B, C

Explanation:

To apply a custom data role to a field, you need to select the data type of the field and then choose the data role from the list of available roles. This will validate the values in the field against the data role and mark any invalid values with a red exclamation mark. To fix the invalid values, you can use the Group Values option and select the Spelling algorithm, which will group values that are close in spelling and replace them with the most frequent value in the group. This will help you standardize the values in the Material field and match them with the Role1 data role.Reference:The information is based on the following sources:

Use Data Roles to Validate your Data - Tableau

New in Tableau Prep: Automatically identify data quality issues with Data Roles

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asked 23/09/2024
zulmaidi mr
38 questions
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