WebMay 11, 2024 · Tableau only pulls data from the tables that are relevant for the visualisation. Each example shows the subgraph of tables joined to generate the result. Full domains remain for dimensions from a single table Analyzing the number of books by author shows all authors, even those without books. WebMar 28, 2024 · Physical Tables should only be used when the size of our extract is larger than expected while Logical Tables must be used when we want to limit the amount of data in our extract using Filters or aggregations. Selecting a better connection type for your data Benefits of Live Connection
Optimizing the Data Sources in Tableau - Perficient Blogs
WebTableau extracts can store the data either as physical tables or logical tables. Logical tables has the same benefits of not creating duplicate data, of being able to drop tables to query … WebMar 31, 2024 · Logical Tables Physical Tables The first option is Tableau’s default way of storing extracts while the second option is not always available (more on that further down). Extracting Logical Tables With this option, Tableau saves each logical table within the extract file (aka hyper file). kitchenaid refrigerator turned off
Understanding Tableau Data Extracts
WebJan 15, 2016 · 6. Clean up your workbooks! Reduce dashboard scope. Excess worksheets on a dashboard can impact performance. Delete or consolidate unused worksheets and data sources. A clean workbook is a happy workbook. For more details on these areas and many more, check out our whitepaper on designing efficient workbooks. WebWhen taking the extract locally is not feasible: limiting the underlying table in the backend, taking the first Physical extract locally, publishing to the server, removing the limit, and kicking off a full refresh from the server These options can be time-consuming and clunky. WebIf your view only includes fields from the Orders table, the Tableau will "cull" the join to the Suppliers table. In other words, it will issue a query that only pulls from Orders. Since Suppliers is not used, it's not placed in the query. kitchenaid refrigerator turn off ice maker