Top 50 interview questions and answers for tableau

1. What is Tableau?

Tableau is a data visualization tool that helps people see and understand their data.

2. What are the different types of data sources that Tableau can connect to?

Tableau can connect to a variety of data sources, including spreadsheets, databases, and cloud services.

3. What is a dimension in Tableau?

During my  tableau certification  we learned a dimension is a categorical variable that can be used to group and filter data.

4. What is a measure in Tableau?

A measure is a numerical variable that can be used to perform calculations and create visualizations.

5. What is a dashboard in Tableau?

A dashboard is a collection of visualizations that are displayed together on a single page.

6. What is a worksheet in Tableau?

A worksheet is a single visualization that can be added to a dashboard or used on its own.

7. What is a filter in Tableau?

A filter is used to limit the data that is displayed in a visualization.

8. What is a parameter in Tableau?

A parameter is a user-defined variable that can be used to control aspects of a visualization.

9. What is a calculated field in Tableau?

A calculated field is a new field that is created by performing calculations on existing fields.

10. What is a join in Tableau?

A join is used to combine data from two or more tables based on a common field.

11. What is a blend in Tableau?

A blend is used to combine data from two or more data sources based on a common field.

12. What is a hierarchy in Tableau?

A hierarchy is a way of organizing data into levels of detail.

13. What is a group in Tableau?

A group is a way of combining related values into a single category.

14. What is a set in Tableau?

A set is a way of creating a subset of data based on a condition.

15. What is a trend line in Tableau?

A trend line is a line that shows the general direction of a data series.

16. What is a reference line in Tableau?

A reference line is a line that is used to compare data to a benchmark or goal.

17. What is a map in Tableau?

A map is a visualization that shows data on a geographic map.

18. What is a scatter plot in Tableau?

A scatter plot is a visualization that shows the relationship between two variables.

19. What is a bar chart in Tableau?

A bar chart is a visualization that shows data as bars.

20. What is a pie chart in Tableau?

A pie chart is a visualization that shows data as slices of a pie.

21. What is a heat map in Tableau?

A heat map is a visualization that shows data as colors on a grid.

22. What is a tree map in Tableau?

A tree map is a visualization that shows data as rectangles that are sized and colored based on their values.

23. What is a funnel chart in Tableau?

A funnel chart is a visualization that shows data as a funnel shape.

24. What is a bullet chart in Tableau?

A bullet chart is a visualization that shows data as a horizontal bar with a target line.

25. What is a waterfall chart in Tableau?

A waterfall chart is a visualization that shows how a value changes over time or across categories.

26. What is a dual axis chart in Tableau?

A dual axis chart is a visualization that shows two measures on the same chart with different scales.

27. What is a stacked bar chart in Tableau?

A stacked bar chart is a visualization that shows data as stacked bars.

28. What is a packed bubble chart in Tableau?

A packed bubble chart is a visualization that shows data as bubbles that are sized and colored based on their values.

29. What is a Gantt chart in Tableau?

A Gantt chart is a visualization that shows the duration of tasks or projects.

30. What is a box and whisker plot in Tableau?

A box and whisker plot is a visualization that shows the distribution of data.

31. What is a histogram in Tableau?

A histogram is a visualization that shows the frequency of data in bins.

32. What is a line chart in Tableau?

A line chart is a visualization that shows data as a line.

33. What is a dual line chart in Tableau?

A dual line chart is a visualization that shows two measures on the same chart with the same scale.

34. What is a area chart in Tableau?

A area chart is a visualization that shows data as a filled area.

35. What is a stacked area chart in Tableau?

A stacked area chart is a visualization that shows data as stacked filled areas.

36. What is a scatter plot matrix in Tableau?

A scatter plot matrix is a visualization that shows the relationship between multiple variables.

37. What is a highlight table in Tableau?

A highlight table is a visualization that shows data as a table with highlighted values.

38. What is a text table in Tableau?

A text table is a visualization that shows data as a table with text values.

39. What is a pie chart race in Tableau?

A pie chart race is a visualization that shows how the values of a pie chart change over time.

40. What is a slope chart in Tableau?

A slope chart is a visualization that shows the change in values between two points in time.

41. What is a radial chart in Tableau?

A radial chart is a visualization that shows data as a circle with radial lines.

42. What is a spider chart in Tableau?

A spider chart is a visualization that shows data as a spider web with radial lines.

43. What is a waterfall chart in Tableau?

A waterfall chart is a visualization that shows how a value changes over time or across categories.

44. What is a bullet chart in Tableau?

A bullet chart is a visualization that shows data as a horizontal bar with a target line.

45. What is a Pareto chart in Tableau?

A Pareto chart is a visualization that shows the frequency of data in descending order.

46. What is a donut chart in Tableau?

A donut chart is a visualization that shows data as a ring with slices.

47. What is a lollipop chart in Tableau?

A lollipop chart is a visualization that shows data as a line with circles.

48. What is a waterfall chart in Tableau?

A waterfall chart is a visualization that shows how a value changes over time or across categories.

49. What is a bullet chart in Tableau?

A bullet chart is a visualization that shows data as a horizontal bar with a target line.

50. What is a Pareto chart in Tableau?

A Pareto chart is a visualization that shows the frequency of data in descending order.

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