I had a chance to test about dbForge Data Compare for Oracle from Devart (@DevartSoftware). This is a good software for Oracle data comparison and synchronization and free.
- Wide support of Oracle versions: 11g, 10g, XE, 9i, 8i, 7.3
- High-speed comparison
- Comparison of all schema tables at once
- Comparing data with different structures
- Custom mapping of tables
- Full or partial Oracle data synchronization
- Generating SQL*Plus-compatible synchronization script
- Saving data comparison settings as comparison projects for the next usage
- Start page with the latest comparisons
- Convenient UI
We can watch "dbForge Data Compare for Oracle Tutorial" for this tool.