March 2019
Beginner
504 pages
11h 17m
English
Content preview from Learning Tableau 2019 - Third Edition
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Structuring data for Tableau
We've already seen that Tableau can connect to nearly any data source. Whether it's a built-in direct connection, ODBC, or using the Tableau data extract API to generate an extract, no data is off limits. However, there are certain structures that make data easier to work with in Tableau.
There are two keys to ensuring a good data structure that works well with Tableau:
- Every record of a source data connection should be at a meaningful level of detail
- Every measure contained in the source should match the level of detail or possibly be at a higher level of detail, but should never be at a lower level of detail
For example, let's say you have a table of test scores with one record per classroom in a school. Within ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.