Oracle
1Z0-117 · Question #86
1Z0-117 Question #86: Real Exam Question with Answer & Explanation
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Question
You recently gathered statistics for a table by using the following commands: You noticed that the performance of queries has degraded after gathering statistics. You want to use the old statistics. The optimizer statistics retention period is default. What must you do to use the old statistics?
Options
- AUse the flashback to bring back the statistics to the desired time.
- BRestore statistics from statistics history up to the desired time.
- CDelete all the statistics collected after the desired time.
- DSet OPTIMIZER_USE_PENDING_STATISTICS to TRUE.
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