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Oracle认证考试

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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).
正确答案:B,C
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