Using trail version you cant connect to any of the server db or odbc source.
Once if you activate the license, then only you can access all possibility in tableau.
Muthu Krishnan. M
No.Am already used a trail version for my previous project and evaluated the performance by connecting with DB server.After the evaluation only we bought the license.Now am trying the same for another new project but its creating driver installation errors.
Below points to note here :
1. If you have already installed previous version of oracle driver than uninstall it first.
2. Download Oracle (32-bit) Desktop 8.1 driver from Drivers & Activation | Tableau Software
3. Actual download msi package size is 30 MB but your version of package shows 4 MB
This could be because of some file system issue, Try to download again and install.