Learn How to Join Database Tables with Tableau


Learn How to Join Database Tables with Tableau!

Joins in Tableau plays the vital role in designing reports. In real-time, We usually design reports using database or data warehouse and we all know that the data present in database is in normalized form. So, we can’t generate reports using single table.

A join operation combines fields from two or more tables in a database and enables us to analyse the resulting data set. The result of a join is a horizontally ‘extended’ data table as the join adds fields (columns) compared to the starting stage. Understanding the different join types is essential for using Tableau.

When trying to determine whether to join tables or use data blending, consider some of the following:

Where your data is coming from
How many connections you have in your workbook
The number of records you have in the data

For more in depth knowledge in this topic click on the following link:  How To Join Database Tables With Tableau

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