13.View the Exhibit that sets the threshold for the Current Open Cursors Count metric. Why is the
Significance Level threshold type not available in the threshold setting?
A. because AWR baseline is not enabled
B. because Current Open Cursors Count is not a basic metric
C. because the STATISTICS_LEVEL parameter is set to BASIC
D. because the AWR baseline is a system-defined moving window baseline
Answer: B
答案解析：
significance level 显著性水平。
这道题是问，为什么阈值类型没有显著性水平？
点击编辑阈值后
