Most frequently asked questions in Interview — Tableau

  • What do you understand by Filter and how many types of filters are there in Tableau?
  • Which are the 5 main products offered by Tableau?
  • How can we remove Show All options from a Tableau Auto Filter?
  • Can we use non-used columns which are not used in reports but used in data source in Tableau filters? If yes explain with examples?
  • Tell me the benefit of Tableau extract file over the live connection?
  • How many number of tables we can join in Tableau?
  • What is difference between Joining and Blending in Tableau?
  • What is Tableau?
  • What is Tableau Server?
  • What did you understand by Tableau Server?
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  • Tell me the difference between Tableau 7.0 and Tableau 8.0?
  • Can you explain Page Shelf?
  • Tell me the steps required to create a filled maps?
  • Differentiate between Filters and Parameters?
  • How can we perform Tableau in a huge datasets?
  • Tell me the process of task you perform in Tableau in your daily basis?
  • What is Tableau Public?
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  • How to merge a database and the flat file data in Tableau Desktop?
  • How can we add custom color in Tableau?
  • How to display top 10 and the last 10 sales in the same view?
  • Explain the difference between Traditional Bi tools and Tableau?
  • How can we do testing in Tableau?
  • What is the difference between Heat map and Tree map in Tableau?
  • What is dual axes?
  • What did you understand by file extension twb and twbx?
  • What are data types in Tableau?
  • What do you understand by measures and dimensions?
  • Explain hierarchical field?
  • How to create calculated fields in Tableau?
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  • What are the components of Dashboard?
  • How many number of rows we can utilize in Tableau at a time?
  • What is disaggregation and aggregation of data?
  • What are shelves?
  • What are sets?
  • Tell me the different connections you can make with your datasets?
  • What is the latest version of Tableau?
  • What are the different Tableau products?
  • Can we place an Excel file in a shared location and use it to develop a report and refresh it in regular intervals?
  • When publishing workbooks on Tableau online, sometimes an error about need to extract appears. Why does it happen occasionally?
  • Suppose my license expires today, will users be able to view dashboards or workbooks which I published in the server earlier?
  • How to embed views onto Webpages?
  • What are the different Tableau files?
  • Tell me the charts you have worked on?
  • What is data preparation?
  • What type os source you have worked with?
  • Difference between CSV and Excel?
  • How do you change the level of detail without adding to the Visualization?
  • When can you delete sheet and when can you only hide them?
  • Is a blend in Tableau a type of Join? If yes then which type?
  • How many ways do we use parameters in Tableau?
  • What is the use of a new custom SQL query in Tableau?
  • What is the disadvantage of context filters?
  • What are the fact table and dimension table in Tableau?
  • Where can you use global filters?
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  • How can you calculate daily profit measure using LOD?
  • What will you do if some country/province (any geographical entity) is missing and displaying a null when you use map view?
  • How will you show sales and profit in all regions for different product categories and sub-categories in tree map and heat map, how is it different?
  • How do you handle null and other special values?
  • How to handle historical data changes (Edit/delete statements) in incremental extract refresh?
  • Can we add ‘All’ value in Parameter to select all the values?
  • If your State/City/Country from excel column has data type string, how will Tableau recognize it as geographical location?
  • If we group all the dimensions in folders, can we add ‘Measure name’ in any of the folders?
  • Can we sort a graph with more than 1 dimension without using combined field? Do we need combined field when we sort a graph with dimensions which are following hierarchy?
  • In which scenario the context filter will improve performance vs will impact on the performance?
  • Can we create a combined set on top of a static set and a dynamic set?
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  • How to resolve “Cannot mix aggregate and non-aggregate together” error from a calculated field?
  • Will applying a global filter using “all using this data source” make that filter as a data source filter?
  • Can we sort a graph with more than 1 dimension without using combined field? Do we need combined field when we sort a graph with dimensions which are following hierarchy?
  • If a calculated fields with Logic (if sum (Sales)>100 then ‘A’ else ‘B’ end) has data type string, will it go in dimension or measure by default? Can we move it from dimension to measure or vice versa?
  • We have 2 databases – Oracle Table and TDE placed on Tableau server. Can we have a cross join with these 2 sources?
  • One table has Customer ID as primary key and another table has Defaulter ID as a primary key. Can we have data blending on Customer ID and Defaulter ID by default? If yes, then how to enable the relationship between these 2 columns?
  • How to automate reports?
  • What are the main features of Tableau?
  • What are the different types of function we used in Tableau?
  • What is twin axis?
  • What is emulsified axis?
  • Can we get values from totally 2 different sources as one input into a parameter?
  • What is knowledge visualization?
  • What is Metadata?
  • How do you delight a Customer?

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