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QUESTION NO: 502
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.)
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.
Answer: A,C
当部署一个新的应用模块时,软件供应商与用于被引入的新SQL的适当的SQL
计划基线一起运送应用软件。哪两个语句描述了后果?
A.计划基线可以随着时间的推移演变,产生更好的性能。
C.新的SQL语句最初与计划一起运行,该计划在标准测试配置下已知能产生良好的性能。
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原文地址:http://blog.csdn.net/xuejiayue1105/article/details/49245605