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While deploying a new application module，the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced.  Which two statements describe the consequences？（）
A: The plan baselines can be evolved over time to produce better performance.
B: The newly generated plans are directly placed into the SQL plan baseline without being verified.
C: The new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.
D: The optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.

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出自：Oracle认证

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