TableauRhythms

Thursday, May 14, 2026

41. What is publishing in Tableau?

Uploading dashboards/data sources to Tableau Server/Online.

42. What is versioning in Tableau?

Feature to maintain multiple versions of a workbook or data source.

43. Explain the difference between TDE and Hyper.

Hyper is faster, supports bigger datasets, replaces TDE.

44. Can we schedule extract refresh?

Yes, using Tableau Server tasks.

45. What are blended axes?

Multiple measures sharing the same axis.

46. What is the difference between heatmap & tree map?

Heatmap: color intensity.
Treemap: size + color encoding.

47. What is pagination in Tableau?

Used when displaying large tables; adds page controls.

48. Can we write SQL in Tableau?

Yes, using Custom SQL.

49. What is a Crosstab?

Table view format.

50. What is the most complex chart you created? (Interview favorite)

Examples:

Sankey
Radial bar chart
Waterfall
Gantt with forecasting
Multi-layer maps

(You can prepare one example to explain.)

Bhagavad Gita Wisdom #shorts

https://www.youtube.com/playlist?list=PLQM-BpTd9ZSumxwKgJjuJjlx2OcP_W516

Wednesday, May 13, 2026

21. Examples of Table Calcs?

Running Total, Percent of Total, Difference, Rank, Moving Avg.

22. What is SHOW ME in Tableau?

Auto chart suggestion tool.

23. What is a dashboard?

A collection of worksheets displayed together.

24. Difference between worksheet and dashboard?

Worksheet = single view.
Dashboard = multiple views.

25. What is a story?

Sequential set of dashboards for storytelling.

26. What are filters in Tableau?

Extract, Data Source, Context, Dimension, Measure, Table calc filters.

27. Order of operations in Tableau?

Extract → Data Source → Context → Dimension → Measure → Table Calc.

28. What is a dual axis chart?

Two measures on the same graph with synchronized axis.

29. What is blending vs. joining?

Joining happens on DB.
Blending happens on Tableau (left join behavior).

30. What is a hierarchy?

Drill down structure (e.g., Year → Quarter → Month → Day).

31. What is a bin?

Continuous values grouped into equal-sized buckets.

32. What is a set?

Dynamic grouping of data based on conditions.

33. What is clustering?

K-means algorithm to group similar points.

34. What is reference line?

A line that highlights a specific value on axis like avg, median.

35. What is a data extract file extension?

.hyper

36. What are actions in Tableau?

Filter action, Highlight action, URL action.

37. What is the use of Extract Refresh?

To update data in extracts from the source.

38. What are device designer layouts?

Different layouts for Desktop, Mobile, Tablet dashboards.

39. What is performance recording in Tableau?

Tool to analyze performance bottlenecks.

40. How to optimize performance in Tableau?

Use extracts, reduce filters, reduce mark count, optimize LODs, indexing on DB.