Oracle
1Z0-062 · Question #82
1Z0-062 Question #82: Real Exam Question with Answer & Explanation
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Question
Examine the parameters for your database instance: Which three statements are true about the process of automatic optimization by using cardinality feedback?
Exhibit
Options
- AThe optimizer automatically changes a plan during subsequent execution of a SQL statement if
- BThe optimizer can re optimize a query only once using cardinality feedback.
- CThe optimizer enables monitoring for cardinality feedback after the first execution of a query.
- DThe optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn
- EAfter the optimizer identifies a query as a re-optimization candidate, statistics collected by the
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