March 2019
Beginner
504 pages
11h 17m
English
Content preview from Learning Tableau 2019 - Third Edition
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Cross database joins
With Tableau, you have the ability to join (at a row level) across multiple different data connections. Joining across different data connections is referred to as a cross database join. For example, you can join SQL Server tables with text files or Excel files, or tables in one database with tables in another, even if those are on a different server. This opens up all kinds of possibilities for supplementing your data or analyzing data from disparate sources.
Consider the hospital data mentioned previously. It would not be uncommon for billing data to be in a separate system from patient care data. Let's say you had a file for patient billing that contained data you wanted to include in your analysis of hospital visits. ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.