Oracle
1Z0-083 · Question #170
1Z0-083 Question #170: Real Exam Question with Answer & Explanation
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Question
Which two are true about Optimizer Statistics? (Choose two.)
Options
- AThey can be gathered by the DBMS_STATS package.
- BThey are gathered by the SQL Tuning Advisor.
- CThey provide real-time data about schema objects.
- DThey are ignored by Optimizer if they are stale.
- EBy default, they are automatically gathered by a maintenance job.
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