Interview Questions and Answers

1. How to change Null values as n/a in view?
2. Types of Annotations ?
3. Types of Filters ?
4. Difference between Scattere plot vs Tree map?
5. Max no.of records in a Table?
6. What is default Data Blending Join?
7. What is Pageshelf ?
8. what is Assume referential integraty?
9. How to display state borders for a country by geo coding?
10. Difference between Groups and Sets
11. What is VizQL ?
12. What are the strength/advantages of Tableau Desktop Software?
13. What are the weakness/disadvantages of Tableau Desktop Software?
14. What are the differences between Tableau Software, GoodData and Traditional BI
15. What is disaggregation and aggregation of data?
16. Difference between Filters and Parameters
17. Comparison of Tableau vs. Qlikview vs. Spotfire
18. What are the other settings I need to reconfigure to get better performance as I am using 7.0 tableau server and planning to upgrade to latest versions?Suggest best configurations based on the provided server details?
19. Is there any new features implemented in tableau 8.0 regarding the tableau server performance improvement?
20. How many viz SQL process should I run?
21. How many extracts (extract type) can be used on a single server(without effecting server performance like memory) ?
22. What are the possible reasons for slow performance in Tableau?
23. How to check the performance step by step manner(DB, Report side, Network) in tableau report ?
24. How to improve the tableau report performance?
25. How we can find the tableau Report Rendering Time.?
26. What kind of technology is a Tableau Viz?
27. Is there a limit on storage space for the data?
28. How many types of filters are there in Tableau.?
29. What is the Difference between connect live and import all data and Import some data.?
30. What is the difference between Quick Filter and Normal filter.?
31. What is Tableau Desktop?
32. What is Tableau Server?
33. What is Tableau Reader?
34. How Does Tableau Work?
35. What is the difference between tableau 7.0 and 8.0 versions
36. What are parameters and when do you use it?
37. Can we have multiple value selection in parameter?
38. Name the components of dashboard?
39. When do you use horizontal and vertical components?
40. What is data blending..? When do you use this.?
41. What kind of join do you see in data blending?
42. I have one scenario like Year in integer and week in String and wanted to calculate the YTD.. how to do this.?
43. Can you explain about table calculations?
44. How do you create dashboard.? Can you explain the life cycle.?
45. You have 5 nearly identical worksheets and the only thing you want to change between them is that data source?
46. Will I lose data if I move desktop to another device?
47. Can Desktop and Reader be installed on the same PC?
48. Is there any way of two people working on the same workbook?
49.