Choose Between JOIN, BLEND, and RELATIONSHIP in Tableau

Q: Choose Between JOIN, BLEND, and RELATIONSHIP in Tableau

This question evaluates proficiency in Tableau data modeling, filter order of operations, level-of-detail implications, and visual encoding for dashboard design, focusing on JOINs, blends, relationships, filter types, and chart selection.

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Question

Tableau Data Modeling, Filters, and Visual Design

Scenario

You are preparing a Tableau dashboard for marketing managers. The dashboard must support fast, reliable filtering and correct data relationships across multiple data sources.

Questions

a) Describe the key differences between a JOIN, a BLEND, and a RELATIONSHIP in Tableau. When would you choose each?

b) Tableau provides six types of filters: extract, data source, context, dimension, measure, and table calculation. Explain the order of operations and give a practical example where choosing the wrong filter level causes incorrect results.

c) A stakeholder insists on using a pie chart to show 12 product categories. Recommend a better visualization and justify your choice.

Hints

Address performance, granularity/level of detail (LOD), and correctness.
Apply principles of effective visual encoding for part (c).

Choose Between JOIN, BLEND, and RELATIONSHIP in Tableau

Tableau Data Modeling, Filters, and Visual Design

Scenario

Questions

Hints

Solution

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Choose Between JOIN, BLEND, and RELATIONSHIP in Tableau

Overview

Tableau Data Modeling, Filters, and Visual Design

Scenario

Questions

Hints

Solution

Comments (0)