Oracle
1Z0-052 · Question #154
1Z0-052 Question #154: Real Exam Question with Answer & Explanation
Sign in or unlock 1Z0-052 to reveal the answer and full explanation for question #154. The question stem and answer options stay visible for context.
Question
You have recently collected statistics on certain objects of a schema in your database. But you observe suboptimal execution plans for the queries on these objects after two days of statistics collection. The optimizer statistics retention period is set to its default value. Which action would help to use the previous set of statistics on the objects?
Options
- ARestore statistics from statistics history.
- BReduce the optimizer statistics retention period by 2 days.
- CSet the OPTIMIZER_PENDING_STATISTICS parameter to TRUE.
- DReduce the Automatic Workload Repository (AWR) retention period by 2 days.
Unlock 1Z0-052 to see the answer
You've previewed enough free 1Z0-052 questions. Unlock 1Z0-052 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.