ViewtheExhibittoexaminetheoutputoftheDBA_OUTSTANDING_ALERTSview.After30minutes,youexecutedthefollowingcommand:SQL>SELECTreason,metric_valueFROMdba_outstanding_alerts;REASONMETRIC_VALUE------------------------------------------------------------------------Tablespace[TEST]is[28percent]full28.125Whatcouldbethereasonfortheeliminationoftheotherrowsintheoutput()

A.AnAutomaticWorkloadRepositorysnapshothasbeentakenrecently. B.Thenon-threshold-basedalertsaretransferredtoDBA_ALERT_HISTORY. C.ThethresholdalertsconditionsareclearedandthealertsaretransferredtoDBA_ALERT_HISTORY. D.ThethresholdalertsrelatedtodatabasemetricsarepermanentlystoredinDBA_ALERT_HISTORYbutnotthethresholdalertsrelatedtoinstancemetrics.

时间:2023-09-10 17:56:17

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