❑ A) It generates a script to recompile invalid objects post-upgrade.
❑ B) I he preupgrade_fixups . sql script is created to list and describe issues in the source database.
❑ C) A log file, preupgrade . log, is created that contains the output of the Pre-Upgrade Information tool.
❑ D) It checks for required tablespaces and if they are not available, creates them automatically.
❑ E) The preupgrade_fixups sql script is executed automatically to fix issues in the source database.
❑ F) The postupgrade_fixups sql script is created to address issues that can be fixed after a database has been upgraded.