试题详情
- 单项选择题You work as a database administrator for Supportcenter.cn. You find that reports are running for a long time in your data warehousing applications. You suspect a lack of indexes is the reason for the performance degradation. Which advisory component would you refer to， in order to determine the appropriate indexes？（）
A、Memory Advisors
B、Segment Advisors
C、SQL Tuning and Access Advisors
D、Automated Workload Repository （AWR）
E、Automatic Database Diagnostic Monitor （ADDM）
- C
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