多选题Which statements are true regarding the system-defined moving window baseline in Oracle Database 11g?（）AIt does not allow you to change the moving window size.BAdaptive threshold functionalities use it by default to compute statistics.CIt is created by default with the window size being equal to the AWR retention time.DIt is created when the first snapshot is collected by the Automatic Workload Repository (AWR).
多选题
Which statements are true regarding the system-defined moving window baseline in Oracle Database 11g?（）
A
It does not allow you to change the moving window size.
B
Adaptive threshold functionalities use it by default to compute statistics.
C
It is created by default with the window size being equal to the AWR retention time.
D
It is created when the first snapshot is collected by the Automatic Workload Repository (AWR).
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