Joins in Tableau: Inner, outer, left, or a right join in Tableau

Опубликовано: 01 Октябрь 2024
на канале: 365 Data Science

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Using joins in Tableau – this is the way we merge multiple data sources. One of the most important aspects of your work in Tableau is the data source you are using to perform analysis. Quite often the data will be stored in multiple locations, and hence you will have to deal with a number of data sources which live in different environments. Nevertheless, you are going to want to use all of the data available to you and run analysis on everything together.
When we want to perform ‘cross data table joins’ we want to combine two or more data tables to create a unique database.
How do we join separate data tables?
Well, there are a few ways to do that.
We can create an inner, outer, left, or a right join. Depending on your needs and on the specific case you are working on, you will be able to apply one of these structures and join your data.

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