Tableau interview questions-ppt
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The document provides a comprehensive overview of Tableau, a data visualization tool, including its parameters, filters, file extensions, architecture, and key concepts such as VizQL and mark cards. It emphasizes the importance of understanding how Tableau's features can enhance data analysis for business applications. Additionally, it highlights the 'Show Me' feature that aids in applying visualization techniques without custom coding.
Tableau interview questions-ppt
- 2. Introduction Read Best Interview Questions & Tutorials on Business, Tableau interview questions. If you are preparing for a Business interview, Must go through these questions series.
- 3. What is Tableau? Tableau is a data visualization tool that allows the user to develop an interactive and apt visualization in the form of dashboards, worksheets for the betterment of the business.
- 4. Distinguish between parameters and filters in Tableau? The radical difference actually lies in the application. The parameters allow users to insert the values, which can be integers, float, date, string that can be used in calculations. The filters only receive values users choose to ‘filter by’ the list, which cannot be used to calculate. The users can dynamically change the dimensions and measures in parameter but filters do not approve the feature.
- 5. Define different parameters in Tableau and their working? The Tableau parameters are dynamic variables or dynamic values that replace the constant values in data evaluation and filters. The user can create an evaluated field value that returns true when the score pars the 80, and otherwise false.
- 6. What are the limitations of parameters of Tableau? The parameters of Tableau can be represented only in four ways on a dashboard. The parameters do not allow any further multiple selections in a filter.
- 7. Mention some file extension in Tableau? There are many file types and extensions in Tableau. Some of the file extensions in Tableau are: Tableau Workbook (.twb). Tableau Packaged Workbook (.twbx). Tableau Datasource (.tds). Tableau Packaged Datasource (.tdsx). Tableau Data extract (.tde). Tableau Bookmark (.tdm). Tableau Map Source (.tms). Tableau Preferences (.tps)
- 8. Describe the Tableau Architecture? Tableau has exceptionally adaptable, and it has an n-level customer server-based design that serves the mobile customers, web customers, and desktop installed software. Tableau desktop is approving, and publishing tools used to make an offer the views on tableau server.
- 9. What makes up a published data source? The data connection information that depicts what information you need to acquire to Tableau for analysis. When you associate with the data in Tableau Desktop, you can make joins, including joins between tables from various data types. You can rename fields on the Data Source page to be more expressive for the people who work with your distributed data source.
- 10. What is VizQL? - VizQL is a visual inquiry language that interprets simplified activities into data questions and after that communicates that information visually. - VizQL conveys dramatic gains in individuals’ capacity to see and understand information by abstracting the hidden complexities of question and analysis. - The result is an instinctive user encounter that gives people to answer questions as quickly as they can consider them.
- 11. What is a mark card in Tableau? The Marks card is a key component for visual examination in Tableau. As you drag fields to different properties in the Marks card, you add setting and detail to the marks in the view. You utilize the Marks card to set the mark write and to encode your information with size, color, text, shape, and detail.
- 12. What is a Tableau data sheet? After you interface with your information and set up the information source with Tableau, the data source associations and fields show up on the left half of the workbook in the Datasheet.
- 13. What is Show Me feature in Tableau? As a propelled information visualization instrument, Tableau makes the information analysis simple by giving numerous analysis systems without composing any custom code. One of such features is Show Me. It is utilized to apply an expected view to the current information in the worksheet. Those perspectives can be a pie chart, a scramble plot, or a line chart.
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