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Book Overview & Buying
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Table Of Contents
Learning Tableau 2025 - Sixth Edition
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We’ve already seen that Tableau can connect to nearly any data source. Whether it’s a built-in direct connection to a file or database or data obtained through a custom Web Data Connector (WDC) or through 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 key points to ensure a good data structure that works well with Tableau:
For example, let’s say you have a table of test scores with one record per classroom in a school. Within the record, you may have three measures: the average GPA for the classroom, the number of students in the class, and the number of students...