1.Source Type: Local Mysql xml dump file
Target Type: Online CUBRID database
Do migration from source to target(char type)(Have unique key)
2.After migration , do migration again and only choose data .
3.After migration , it will show error message: "Operation would have caused one or more unique constraint violations. "
4.Click Restart migration and click Re-migration the error files
It will be failed.
Check the data file ,attribute will be lost.
Attribute cannot be lost and migrate successful.