Tableau Interview Questions Categorized
I. Core Concepts & Fundamentals
- What is Data Visualization?
- What is a Dimension?
- What is a Measure?
- What is the difference between discrete and continuous in Tableau?
- What is aggregation and disaggregation of data in Tableau?
- What is a Tableau workbook?
- In Tableau, what is a worksheet?
- What is a data Source page?
- What is a Tableau data pane?
- What are shelves in Tableau?
- What is marks card in Tableau?
- What is Tableau Show me?
- What is a format pane in Tableau?
- What is a story in Tableau?
II. Data Connections & Preparation
- What are fact table and Dimension table in Tableau?
- What is Data Blending?
- When do you use Data Blending?
- Explain when would you use Joins vs. Blending in Tableau?
- What is default Data Blending Join?
- What type of join is used in data blending?
- Which join is used in data blending?
- What is the criteria to blend the data from multiple data sources?
- How many maximum tables can you join in Tableau?
- What is Assume referential integrity?
- How can we combine database and flat file data in Tableau desktop?
- How to check the metadata of a table?
- How to create a column Alias?
- What is an alias in Tableau?
- How do you normalize data for use in Tableau?
- Does Tableau integrate with Hadoop/ HiveServer?
- What is a Published data source?
- When to use joins versus Blending in Tableau?
III. Filters & Parameters
- Define parameters in Tableau and their working.
- Differentiate between parameters and filters in Tableau.
- State limitations of parameters in Tableau.
- Can we have multiple value selection in parameter?
- Can parameters have dropdown list?
- What are the types of filters in Tableau?
- What are Quick Filters in Tableau?
- What is the difference between Quick Filter, Normal filter and Context filter?
- What is the difference between Quick Filter and Normal filter?
- What is Context Filter?
- What are the limitations of context filters?
- How to remove ‘All‘ options from a Tableau filter?
- Where all can you use global filters?
- Which filter is used to get the top 10 values from a view?
IV. Calculations & Level of Detail (LOD)
- What is a calculated field in Tableau?
- What is LOD expression in Tableau?
- What is table calculation in Tableau?
- How to use group in calculated field?
- What are the differences between groups and sets?
- How to get current date and time?
- How to check if a data is a of type date?
- What does REPLACE function do in Tableau?
- Which function returns the number of items in a group?
- Give an expression to add 4 months to the date 2014-03-12?
V. Visualizations & Dashboards
- Name the components of a Dashboard
- What is story in Tableau?
- Explain the concept of Dual Axis.
- What is Dual Axis?
- What do you understand by blended axis?
- What is Page shelf?
- What is a page shelf in Tableau?
- How to show the top 5 and bottom 5 sales in Tableau?
- What is crosstab chart?
- What is a Gannt Chart?
- What is Forecasting in Tableau?
- What is a Trendline in tableau?
- How to add Custom Color to Tableau?
- How do you add custom color to Tableau?
VI. Data Extracts & Performance
- What is an extract in Tableau?
- What is TDE file?
- What is TDE file in Tableau?
- What is Connect live?
- What is Import all data feature in Tableau?
- How to do Performance Testing in Tableau?
- What are the possible reasons for slow performance in Tableau?
- How to view underlying SQL Queries in Tableau?
VII. Tableau Platform & File Management
- What different products does Tableau provide?
- What are the differences between Tableau desktop and Tableau Server?
- What is Tableau Reader?
- Name the file extensions in Tableau.
- Explain the difference between .twb and .twbx
- What are the differences between twb and twbx?
- What does the extension .twbx represent in Tableau?
- What are Extracts and Schedules in Tableau server?
- What are the platforms Tableau server can run on?
- How do you publish tableau reports to tableau server?
- How do you automate reports using Tableau software?