单项选择题
A.The statistics collection continues until all objects are processed.
B.The job is terminated and the statistics collected are restored to a time before the job started.
C.This produces an error and the statistics collected are locked until the next time that the maintenancewindow is opened.
D.The job is terminated and the statistics for the remaining objects are collected the next time that themaintenance window is opened.
多项选择题 Your database instance is functional for the past one month. The Automatic Workload Repository(AWR) snapshot retention is set to 7 and the STATISTICS_LEVEL initialization parameter is set to TYPICAL. You receive a complaint about the poor performance of the database between 7 PM and 9 PM of theprevious day. Choose two actions any of which can be referred to first to diagnose the problem. ()
多项选择题 WhichtwostatementsaretrueabouttheAutomaticDatabaseDiagnosticMonitor(ADDM)()
单项选择题 WhichstatementistrueabouttheManageabilityMonitor(MMON)backgroundproces()