Home > Data Miner 4.0 > 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. In future migrations, it may be necessary to migrate the workflows as well.
There are two ways to migrate: