What does include external files mean in Tableau?
In general, if your views contain information that isn’t available to the server or other users, you can use the Include External Files option when you publish. With this option, you can include an Excel, CSV, or other data source file local to your computer.
Which of the following files types contains a Tableau workbook along with local data?
Packaged Workbooks (. twbx) – Tableau packaged workbooks have the . twbx file extension. A packaged workbook is a single zip file that contains a workbook along with any supporting local file data and background images.
What is external assets in Tableau?
Tableau content: workbooks, data sources, flows, projects, metrics, users, and sites. External assets: databases and tables associated with Tableau content. Catalog classifies the metadata of any data that comes from outside the Tableau environment as external assets.
What happens when you update a local workbook to use a published data source?
By default, during the publishing process, Tableau updates the workbook connection to use the new published data source. It also closes the local data source. To continue using the local data source instead, clear the Update workbook to use the published data source check box.
How do I make a tableau dashboard public?
With your workbook open in Tableau Desktop, select Server > Tableau Public > Save to Tableau Public. Note: This option is available only if you’ve created a viz that contains at least one field. Sign in using your Tableau Public account. If you don’t have an account, select the link to create a new one.
What is difference between Tableau Public and desktop?
The Tableau Desktop is data visualization software that lets you see and understand data in minutes. The Tableau Public is essentially a free version of Tableau visualization software. It allows you to use most of the software functions. You can create visualizations and connect to CSV, Text and Excel documents.
What are Tableau hyper files?
Hyper is Tableau’s in-memory Data Engine technology optimized for fast data ingest and analytical query processing on large or complex data sets. Beginning in Tableau 10.5, new extracts use the . hyper file format instead of the . tde file format.
How do you define a level of detail expression?
Level of Detail expressions (also known as LOD expressions) allow you to compute values at the data source level and the visualization level. However, LOD expressions give you even more control on the level of granularity you want to compute.
What is Tableau data Catalog?
Tableau Catalog discovers and indexes all the content on your site—workbooks, metrics, data sources, sheets, and flows—to gather metadata about the content. From the metadata, databases and tables (also referred to as external assets) are identified.
What is Tableau data management add on?
The Data Management Add-on is a collection of features and functionality that helps customers manage Tableau content and data assets in their Tableau Server or Tableau Online environment.
Which is better extract or live connection?
Extracts tend to be much faster than live connections, especially in more complex visualizations with large data sets, filters, calculations, etc. As a result, Tableau doesn’t need the database to build the visualization. Instead, Tableau’s in-memory data engine queries the extract directly.
What is the difference between live and extract connection in tableau?
Live and extracts are two ways you can make the data connection to the tableau. Live allows you real-time data while extracts are kind of batch which needs to be refreshed from time to time to get the updated data.
What is the difference between view and level of detail in tableau?
An expression has a finer level of detail than the view when it references a superset of the dimensions in the view. When you use such an expression in the view, Tableau will aggregate results up to the view level. For example, the following level of detail expression references two dimensions:
What are level of detail (LOD) expressions in tableau?
The introduction of Level of Detail (LOD) Expressions in Tableau 9.0 was a breakthrough in this regard. These LOD expressions let people express powerful concepts using simple statements. What Are LOD Expressions? LOD Expressions provide a way to easily compute aggregations that are not at the level of detail of the visualization.
How do I view external assets in tableau?
Sign in to Tableau Online or Tableau Server. From the left navigation pane, click External Assets. From the drop-down menu, select Databases and Files or Tables. Note: Local files, like .json or .csv files are grouped as external assets under Databases.
What is the difference between fixed and include in tableau?
If the INCLUDE keyword had been used in the level of detail expression instead of FIXED, the values would be different for each state, because Tableau would add the dimension in the expression ( [ Region ]) with any additional dimensions in the view ( [ State ]) when determining values for the expression.