1/22/2024 0 Comments Join tableau prep![]() ![]() These can be in the same data source (such as tables in a database or sheets in an Excel spreadsheet) or different data sources (this is known as a cross-database join). To create a join, connect to the relevant data source or sources. ![]() If you need to do multiple joins, clean up field names, change data types, perform multiple pivots, or other sorts of involved data prep, consider using Tableau Prep Builder (Link opens in a new window). Tip: While Tableau Desktop has the capability to create joins and do some basic data shaping, Tableau Prep Builder is designed for data preparation. To join data and be able to clean up duplicate fields, use Tableau Prep Builder instead of Desktop Fields used in the join clause cannot be removed without breaking the join.If you change the data type after you join the tables, the join will break. ![]()
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