OCP考試第1題

阿新 • • 發佈：2018-11-03

1.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? (Choose two.)

部署新的應用程式模組時，軟體供應商提供新sql的執行計劃基線。哪兩種說法描述了這個影響？

a.The plan baselines can be evolved(演化) over time to produce better performance.

計劃基線隨著時間變化能提高效能。

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

優化器不會對匯入執行計劃的新sql產生新的計劃。

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

這些新的sql會執行它們在標準測試下認為可以發揮好效能的執行計劃。

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

這些新的執行計劃會不經過查實就直接放到sql plan中。

答案：A C

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