单项选择题
You have specified the warning and critical threshold values of an application tablespace to be 60% and 70%， respectively. From the tablespace space usage metrics， you find that the actual space usage has reached the specified warning threshold value， but no alerts have been generated.
What could be the reason for this？（）
A.The EVENT parameter was not set.
B.The SQL_TRACE parameter is set to FALSE
C.The Enterprise Manager Grid Control is not used.
D.The STATISTICS_LEVEL parameter is set to BASIC
E.The TIMED_STATISTICS parameter is set to FALSE
相关考题
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单项选择题
InanOracle10gdatabase，thein-memorystatisticsaregatheredatregularintervalsandusedtoperformgrowth-trendanalysisandcapacityplanningofthedatabase.Whichcomponentstoresthesestatistics？（）
A.recovery catalog
B.Oracle Enterprise Manager Repository
C.Automatic Workload Repository （AWR）
D.Oracle 10g Enterprise Manager Grid Control
E.Automatic Database Diagnostic Monitor （ADDM） -
单项选择题
Thewarningandcriticalthresholdvalueshavebeensetto85%and97%，respectively，foroneofthetablespaces.Thecurrenttablespacespaceusageis54%.Youmodifythewarningthresholdtobe50%andcriticalthresholdtobe53%inDatabaseControl.Whichstatementistrue？（）
A.The new setting would be applied but no alerts would be raised immediately.
B.The new setting would be applied and an alert would be raised immediately.
C.The new setting would be ignored because the tablespace space usage is more than the specified threshold value.
D.The new setting would cause an error because the tablespace space usage is more than the specified threshold value. -
多项选择题
Intheparameterfileofyourproductiondatabase，theFAST_START_MTTR_TARGETparameteris setto300tooptimizeinstancerecovery.Whileobservingtheperformanceofthedatabaseduringinstancerecovery，youfindthattheredologfilesarenotsizedproperlytosupportthisactivity.Whichtwosourcescouldyouusetodeterminetheoptimalsizeoftheredologfiles？（）
A.the V$LOG view
B.the V$DBFILE view
C.the V$LOGFILE view
D.the V$INSTANCE_RECOVERY view
E.Oracle Enterprise Manager Database Control
