1Z0-063 Web TestEngine demo

Select all that apply.

• A

  Predefined maintenance tasks consist of automatic optimizer statistics collection, running Automatic Segment Advisor, and running Automatic SQL Tuning Advisor.

• B

  A repository is maintained in the SYSTEM tablespace to store the history of execution of all tasks.

• C

  They run at predefined time intervals that are intended to occur during a period of low system loads.

• D

  An Oracle Scheduler job is created for each maintenance tasks that is scheduled to run in a maintenance window.

• E

  A maintenance window is automatically extended until all the maintenance tasks defined are completed.