Tableau is a business intelligence software that visually represents data from varied sources to create interactive and shareable dashboards.

This tool has made the entire process of analyzing data and questioning your product-market fit, easier. It has various in-built features for data exploration without getting overwhelmed by the software elements.

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1 - What is data visualization in Tableau?
Data visualization is a way to represent data that is visually appealing and interactive. With advancements in technology, the number of business intelligence tools has increased which helps users understand data, data sets, AND data points.

2 - What are the different types of joins in Tableau?

3 - What are groups in Tableau?
Groups are created to visualize larger memberships using dimensions. Groups can create their own fields to categorize values in that specific dimension.

4 - What are shelves?
Tableau worksheets contain various named elements like columns, rows, marks, filters, pages, etc. which are called shelves. You can place fields on shelves to create visualizations, increase the level of detail, or add context to it.

5 - What is the Tableau data engine?
An analytical database that computes instant query responses, predictive analysis of the server, and integrated data. The data engine is useful when you need to create, refresh, or query extracts. It can be used for cross-database joins as well.

Resources to learn Tableau
https://www.tableau.com/learn
https://www.udemy.com/course/tableau-tutorial-for-beginners/
https://www.linkedin.com/learning/subscription/topics/tableau