How Export Works ?

1. When Ever User Start Export Statement Master Process will be Created.

2. Master Process will create a Master Table.

3. Master  Table Contains job Information Related to Export like
   Job Status,
   Job name,
   Number of Worker Process,
   dump file location,
   log file location etc

4. Master Process will Monitor Export Job status and Worker Process.

5. Worker Process will do the actual data load job while exporting first worker process load to dump file,works the export complete,master process copy the Mater Table into dump file and drop it from the database.