多选题

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?()

AThe plan baselines can be evolved over time to produce better performance.

BThe newly generated plans are directly placed into the SQL plan baseline without being verified.

CThe new SQL statements initially run with the plans that are known to produce good performance under standard test configuration.

DThe optimizer does not generate new plans for the SQL statements for which the SQL plan baseline has been imported.

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