Examine the parameters for your database instance:Which three statements are true about the process of automatic optimization by using cardinalityfeedback？（）

A. The optimizer automatically changes a plan during subsequent execution of a SQL statement if there is a huge difference in optimizer estimates and execution statistics. B. The optimizer can re optimize a query only once using cardinality feedback. C. The optimizer enables monitoring for cardinality feedback after the first execution of a query. D. The optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are enabled. E. After the optimizer identifies a query as a re-optimization candidate, statistics collected by thecollectors are submitted to the optimizer.

时间：2024-04-06 14:00:00

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