Tableau Server is equipped with a PostgreSQL based repository that stores a lot of (meta) information on a lot of assets in your Tableau environment. Since Tableau version 2020.1 the Tableau Server Repository holds a number of tables storing very useful information on the deployment and usage of Dashboard Extensions. Read more on the Tableau Server Repository.
The Repository tables listed below are dedicated to storing (meta) information on extensions:
These tables can of course be joined with other tables that are available in the Repository like Sites, Workbooks, Views and Users to connect the dots and create really interesting insights in the usage and status of your Dashboard Extensions. Please be aware the repository uses luids as unique id’s for the records in your tables and you need to connect the proper luids in order to get your information.
In my example I used Tableau Relations to connect some tables of the Tableau Server Repository. Below you see a screenshot of the relations I used for my Datasource.