TDE is a Tableau desktop file which contains a .tde extension. It refers to the file to include data extracted from external sources like MS Access or CSV file, MS excel.
There are two aspects of TDE file that make them ideal for supporting analytics and data discovery.
- TDE is a columnar store.
- TDE uses all parts of the computer memory from RAM to the hard disk and puts each piece to work what is the best for its characteristics.