Previously, when creating an extract, Tableau always generated a single table. This was sometimes problematic, especially when a Join duplicated the number of lines. Now, when you Join multiple tables, you can choose the schema, creating either a Single Table or Multiple Tables:
For example, you can download the Excel file Multiple Table Storage Test from the Chapter 1 section of my website, book.ladataviz.com (or, browse to https://ladataviz.com/wp-content/uploads/2018/09/Multiple-Table-Storage-Test.xlsx). This file contains the an Orders sheet, with approximately 10,000 rows and another sheet, User Access, with ...
