ocp-434

QUESTION NO: 434？

Your system has been upgraded from Oracle Database 10g to Oracle Database 11g. You imported SQL

Tuning Sets (STS) from the previous version. After changing the OPTIMIZER_FEATURE_ENABLE

parameter to 10.2.0.4 and running the SQL Performance Analyzer, you observed performance regression for

a few SQL statements. What would you do with these SQL statements?

A. Set OPTIMIZER_USE_PLAN_BASELINES to FALSE to prevent the use of regressed plans.

B. Capture the plans from the previous version using STS and then load them into the stored outline.

C. Capture the plans from the previous version using STS and then load them into SQL Management

Base (SMB).

D. Set OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES to FALSE to prevent the plans from being loaded

to the SQL plan baseline.

Answer: C

您的系统已从Oracle数据库10g升级到Oracle数据库11g。你从以前的版本导入SQL调优集（ STS）。改变优化

功能启用参数到10.2.0.4并运行SQL性能分析器后，你观察到几个SQL语句的性能退化。你会对这些SQL语句

做什么？

C.使用SQL调优集从以前的版本捕获计划，然后将它们加载到SQL管理库（ SMB）。