Oracle Related Exams
1z0-060 Exam

Examine the details of the Top 5 Timed Events in the following Automatic Workloads Repository (AWR) report:
What are three possible causes for the latch-related wait events? (Choose three.)
The current system change number (SCN) for a live database is 663571.
You decide to use the flashback table statement to flash back the customers table to SCN 662116.
After flashing back the customers table, you query It and decide to undo the effects of the flashback table command.
Which is the fastest way to do this?
You plan to drop the column of a table that has Flashback Archiving enabled.
You want to ensure minimal service disruption.
How would you do this in your Oracle 12c Database?