39.View the Exhibit to examine the Automatic SQL Tuning result details. Which action would you suggest
for the selected SQL statement in the Exhibit?
A. Accept the recommended SQL profile.
B. Collect statistics for the related objects.
C. Run the Access Advisor for the SQL statement.
D. Run the Segment Advisor for recommendations.
Answer: C
答案解析：
参考：http://blog.csdn.net/rlhua/article/details/13021985
SQL 优化指导会分别考察指导任务中包括的每个SQL 语句。创建一个新索引可能会对查询有帮助，但也可能增加DML 的响应时间。因此，应使用SQL 访问指导检查建议的索引或其它对象对工作量（一组SQL 语句）的影响，以确定性能是否有净提高。