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?

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?

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?

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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