多项选择题
A. Only one I/O calibration process can run at a time
B. It automates the resource allocation for the Automated Maintenance Tasks
C. It improves the performance of the performance-critical sessions while running
D. It can be used to estimate the maximum number of I/Os and maximum latency time for the system
E. The latency time is computed only when the TIMED_STATISTICS initialization parameter is set to TRUE
单项选择题 Examine the parameter setting in your database: Which statement is correct about the database?（）
单项选择题 You run the SQL Tuning Advisor （STA） to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement，which recommends that you accept the profile. Which statement is true when you accept the suggested SQL profile？（）
单项选择题 You want to enable automatic PGA memory management in your database. Which setting is required toachieve this?（）