Home > Data Miner 4.0.1 > Oracle Data Mining Applicat... > Install Prerequisites and O... > Installation Strategy > Migrate Data Miner
After you install Data Miner, you may need to migrate to a new release. You may need to migrate after you download a new version of SQL Developer or when you download a patch from the SQL Developer Update Center.
When you migrate, all workflows created by users are preserved; only the repository software is updated. Before you migrate Data Miner, you should backup the repository, as described in Backup and Restore Oracle Data Miner Repository.
There are two ways to migrate: