Q152. Which three are true about monitoring waits for sessions and services?

Q152. Which three are true about monitoring waits for sessions and services? (Choose three.)

  • A. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.
  • B. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
  • C. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions.
  • D. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
  • E. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.
  • F. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.

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