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Tableau Exam TCC-C01 Topic 4 Question 16 Discussion

Actual exam question for Tableau's TCC-C01 exam
Question #: 16
Topic #: 4
[All TCC-C01 Questions]

A client has a dashboard that uses a bar chart to visualize sales by Sub-Category and a detail table that has all the orders for the products within Sub-

Category. The table has more than 10,000 rows of data and is slow to load.

A consultant plans to add an action so when the client interacts with the bar chart, only the relevant data appears in the table.

What will provide the fastest rendering of the dashboard?

Show Suggested Answer Hide Answer
Suggested Answer: A

To optimize the dashboard rendering, particularly when dealing with a large dataset, a filter action is the most effective tool. Here's why the specified choice is optimal:

Add a filter action: This action creates a direct filter on the detail table based on the selection in the bar chart. It ensures that only data related to the selected sub-category is loaded into the table, significantly reducing load time and improving performance.

Set 'Run action on' to Select: This setting means the filter action will be triggered as soon as the user selects a bar in the bar chart. Immediate activation of the filter ensures that the dashboard is interactive and responsive.

Set 'Clearing the selection will' to Exclude all values: When the selection is cleared, this setting ensures that no data is shown, which avoids loading the entire dataset unnecessarily. This maintains performance when no sub-category is actively selected.

Reference This strategy follows Tableau's performance best practices by using actions to limit the amount of data processed and rendered, as detailed in the Tableau User Guide and training materials on Dashboard Actions for optimizing large datasets.


Contribute your Thoughts:

Anissa
3 days ago
Hold up, did someone say 10,000 rows of data? That's a lot of information to sift through. Option A better be the right answer, or this client is in for a slow, painful experience.
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Alison
7 days ago
I'm not sure, but I think option B could work well by highlighting the Sub-Category.
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Tabetha
10 days ago
I disagree, I believe option D is better as it will show all values when the selection is cleared.
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Pansy
20 days ago
Option B sounds good to me. Highlighting the relevant Sub-Category could make it easier for the client to understand the data.
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Annett
23 days ago
I think option A is the best choice because it will exclude all values not relevant to the selection.
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Viola
27 days ago
I'm leaning towards Option D. Showing all values when the selection is cleared seems more user-friendly.
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Lore
1 months ago
Option A seems like the way to go. Filtering the data based on the selection in the bar chart will definitely speed up the dashboard rendering.
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Leonard
5 days ago
C: Definitely, using a filter action to show only relevant data in the table will speed up the rendering process.
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Paola
13 days ago
B: I think so too, filtering the data based on the selection in the bar chart is the most efficient way to improve performance.
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Sylvia
20 days ago
A: I agree, adding a filter action with 'Run action on' set to Select will make the dashboard load faster.
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