In order to upgrade or install an update of one of the Teradata Warehouse Miner products, it is very important to uninstall the product before installing the updated product. See Uninstalling TWM.
Once the existing installation of TWM has been uninstalled, the new version can be safely installed. See Installing TWM.
It is important to note that all user configuration, projects and metadata are retained even after uninstalling TWM. This includes data stored both locally and on the server side, as outlined below:
- Local - The following data is retained on the user’s local system:
- User Preferences
- Connection Options (by each data source)
- Database - The following data is retained on the database server:
- Project Metadata
- Publish Metadata
- Advertise Output Metadata
Upon re-installation of TWM, this data is seamlessly available to the user as it was in the previous installation.