Which three components does the Scheduler use for managing tasks within the Oracle environment? ()(Choose three.) A. a jobB. a programC. a scheduleD. a PL/SQL procedure
Which three components does the Scheduler use for managing tasks within the Oracle environment? ()(Choose three.)
A. a job
B. a program
C. a schedule
D. a PL/SQL procedure
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以下程序段的输出结果为 ( )int j=2；switch(j){case 2：System.out.print("two.")；case 2+1：System.out.println("three.")；breakdefault：System.out.println("value is"+j)；break；}A．two.three.B．two.C．three.D．value is 2
Youwanttoviewthenameofaprogramassociatedwithajobformakingsomechangestotheprogram.Whichviewwillyouquerytofindthenameoftheprogramassociatedwiththejob?() A.DBA_SCHEDULER_JOB_RUN_DETAILSB.DBA_SCHEDULER_RUNNING_JOBSC.DBA_SCHEDULER_JOBSD.DBA_SCHEDULER_JOB_LOG
Youwanttopurgejobentriesolderthan5daysfromthejoblog.Youdonotwanttopurgewindowlogentries.Whichcommandwillyouusetoaccomplishthistask?() A.EXECUTEDBMS_SCHEDULER.PURGE_LOG（log_history=5，job_name=’JOB1’）；B.EXECUTEDBMS_SCHEDULER.PURGE_LOG（log_history=5，job_name=’JOB_LOG’）；C.EXECUTEDBMS_SCHEDULER.PURGE_LOG（log_history=5，which_log=’JOB1’）；D.EXECUTEDBMS_SCHEDULER.PURGE_LOG（log_history=5，which_log=’JOB_LOG’）；
Youarecreatingajobclass.Youhaveissuedthefollowingcommandtocreatethejobclass：SQLBEGINDBMS_SCHEDULER.CREATE_JOB_CLASS（JOB_CLASS_NAME=’LOW_PRIORITY_CLASS’，RESOURCE_CONSUMER_GROUP=’LOW_GROUP’，LOGGING_LEVEL=DBMS_SCHEDULER.LOGGING_FULL，LOG_HISTORY=1200，COMMENTS=’LOWJOBPRIORITYCLASS’）；END；SQL/Whatwillbetheresultoftheabovecommand？（）A.Thecommandwillbeexecutedsuccessfully.B.ThecommandwillfailbecauseRESOURCE_CONSUMER_GROUPisaninvalidparameterintheDBMS_SCHEDULER.CREATE_JOB_CLASSprocedure.C.ThecommandwillfailbecauseLOGGING_LEVELisaninvalidparameterintheDBMS_SCHEDULER.CREATE_JOB_CLASSprocedure.D.ThecommandwillfailbecauseLOG_HISTORYisaninvalidparameterintheDBMS_SCHEDULER.CREATE_JOB_CLASSprocedure.E.Thecommandwillfailbecause1200isaninvalidvaluefortheLOG_HISTORYparameterintheDBMS_SCHEDULER.CREATE_JOB_CLASSprocedure.
Whichviewwillyouusetoviewinformationregardingthejobsthatarecurrentlyrunninginadatabase?() A.DBA_SCHEDULER_RUNNING_JOBSB.DBA_SCHEDULER_JOB_RUN_DETAILSC.DBA_SCHEDULER_JOBSD.DBA_SCHEDULER_JOB_LOG
To set the history retention period for either window logging or job logging individually, which parameters of the SET_SCHEDULER_ATTRIBUTE procedure need to be used?() A. LOG_HISTORYB. JOB_LOG_RETENTIONC. WINDOW_LOG_RETENTIOND. WHICH_LOGE. LOG_NAME
Which Scheduler view(s) can be queried to see which jobs are currently executing? () A. DBA_SCHEDULER_JOB_RUN_DETAILSB. DBA_SCHEDULER_RUNNING_JOBS DBAC. DBA_SCHEDULER_CURRENT_JOBSD. DBA_SCHEDULER_JOBS DBAE. DBA_SCHEDULER_EXECUTING_JOBS
以下程序段的输出结果为( )。 int j=2 switch (j){ Case 2： system.out.print("two.")： Case 2+1： System.out.println("three.")； break： default: System.out.println (“value is”+j): Break }A.B.twoA．two.three.B．twoC．threeD．value is 2
4．—_________ Mike________ his homework in the evening?—No，he doesn't．A． Do；doesB． Does；doC． Do；doD． Does；does
Which of the following may illustrate the difference between "competence" and__________ "performance"?A．What a person "knows" and what he/she "does".B．What a person "can do" and what he/she "does".C．What a person "does" and what he/she "knows".D．What a person "does" and what he/she "can do".