Oracle10gOCP043题库140题共185题

原 Oracle 10g OCP 043 题库 1-40题 共185题https://blog.csdn.net/tianlesoftware/article/details/5785206版权声明： https://blog.csdn.net/tianlesoftware/article/details/5785206
1. You observe that a database performance has degraded over a period of time. While investigating the reason, you find the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to, in order to determine that required size of the database buffer cache?
A. Memory Advisor
B. Segment Advisor
C. SQL Tuning Advisor
D. SQL Access Advisor
E. Automatic Database Diagnostic Monitor(ADDM)
Answer: A
Adequate physical memory has a significant impact on the performance of your Oracle Database. With its automatic memory management capabilities, Oracle Database can automatically adjust the memory distribution among the various SGA and PGA components for optimal performance. These adjustments are made within t

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