DEV Community

Jessica
Jessica

Posted on

Top 98 Tableau Interview Questions You Must Know in [2020]

The practice of data visualization is becoming crucial to bridge the gap between the human and a machine to mediate analytical insight in a productive way. Almost 50% among fortune 500 companies have started using Tableau. So the demand for skilled tableau professionals is been increasing over the years. So, if you wish to start your career in data visualization then Tableau is the right tool to start with.

We have compiled here Frequently asked Tableau Interview Questions and Answers. The questions presented in this blog are collected based on the opinion of tableau experts. To make it easy and understandable format we have divided these questions into three categories such as Basic, Experienced and Real-time . If you have attended any interviews earlier, and haven't found the same questions you have faced, then comment on those questions in the comment section, and we will add them in this blog. This ultimate list of Tableau interview questions and answers will help you gain expertise in Tableau and clear interviews successfully.

Tableau Interview Questions - Basic Level
Tableau Interview Questions - Experienced
Tableau Interview Questions - Real Time
Tableau Interview Questions and Answers - Basic Level

  1. What is TABLEAU?
    Ans: Tableau is the powerful and fastest visualizing tool which is used in the Business Intelligence(BI) Industry. It simplifies the raw data into an understandable format. Analysis of the data becomes faster with Tableau. The visualizations can be created in the form of dashboards. The visualizations or diagrammatic representation of data can easily be understood by the employees of the organizations who are at different levels.

    1. What are the file size limitations with Tableau? Ans: In Tableau, there are no limitations with the file sizes. And moreover, there is no row or column limit to import the data.
    2. List out Tableau File Extensions. Ans: The below ones are few extensions in Tableau:

Tableau Workbook (.twb)
Tableau Data extract (.tde)
Tableau Datasource (.tds)
Tableau Packaged Datasource (.tdsx)
Tableau Bookmark (.tbm)
Tableau Map Source (.tms)
Tableau Packaged Workbook (.twbx) – zip file containing .twb and external files.
Tableau Preferences (.tps)

  1. What is the latest version of Tableau Desktop?
    Ans: Tableau Desktop latest version is 2019.1(as of Feb, 14th 2019).

  2. Define LOD Expression?
    Ans: LOD Expression stands for Level of Detail Expression, and it is used to run the complex queries involving many dimensions at data sourcing level.

  3. Define Heat Map?
    Ans: Heat map is a graphical representation of data which uses the colour-coding technique to represent different values of data. As the marks heat up due to its higher value, dark colour will be shown on the map.

Readmore Tableau Interview Questions

Top comments (0)