March 2019
Beginner
504 pages
11h 17m
English
Content preview from Learning Tableau 2019 - Third Edition
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Cross database joins
Tableau gives you the ability to join data across data connections. This means that you can join tables of data from completely different databases and file formats. For example, you could join a table in SQL Server with a union of text files and then join them to a Google Sheets document.
You'll recall that the concept of joins and the specifics of cross database joins were introduced in Chapter 2, Working with Data in Tableau. While cross database joins are quite useful in bringing together disparate data sources (data contained in different systems and formats), they can be used to solve other data issues too, such as reshaping data to make it easier to meet your objectives in Tableau.
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