Some systems automatically delete all user files when a user logs off ora job
Chapter 11, Problem 11.1(choose chapter or problem)
Some systems automatically delete all user files when a user logs off ora job terminates, unless the user explicitly requests that they be kept.Other systems keep all files unless the user explicitly deletes them.Discuss the relative merits of each approach.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer