Platform: Linux x86
I have a schema imported on which i run a merge routine with no single point of commit(large amount of inserts) . Now if the routine fails i have to drop this schema and reimport it. The problem is it's time consuming. I had thought of following though I'm not very experienced DBA.
1) DataGuard but not feasible in our environment
2) backup the datafiles that will be modified but i think this ain't right?
3) Archive redolog. need detail procedure on how it's done if possible.
Basically i want to take a snapshot before merge and restore if failed like Ghosts backups we do on filesystems. But the time conumption should be minimum otherwise it would be same as doing an import.
Thanks and regards.