Tableau Interview Questions & Answers

1) Define the different type of Tableau Products?

Tableau Reader:
Tableau Desktop is a place where the visualizations are built and we can open and view them with this free desktop application. It is read-only, so we cannot perform any other interactive tasks and edit them but we can drill down the data and filter it.

Tableau Server:
This Tableau software is mostly used at the enterprise level. The web-based Tableau server shares throughout the organization the dashboards that are published with Tableau Desktop. The fast databases can be leveraged through its live connections.

Tableau Public:
We can easily construct the visualizations with this free Tableau software, but as it belongs the public, we are required to save the worksheets or the workbook in the Tableau Server to be accessed by anyone.

2) Define Dimensions and Measures in Tableau?

Dimensions: it defines the multiple characteristics, and for the each attribute's multiple dimensions they are the descriptive attribute values. A dimension table is comprised of product type, description, product name, color, and size since it has the reference of a product key form the table.

Measures:
Measures can be analyzed by the dimension table and they are the measurable quantities or the numeric metrics of the data. The table that contains the measures is consist of the foreign keys and they distinctly refer the associated dimension tables. Multiple numbers of records can be inserted in a single instance because of the support of the table to store the data at the atomic level. For example, customer key, product key, items sold, and promotion key and many more can be in a sales table and refers to a specific event.

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