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.)
