A: What's your job? B: My job is an accountant.()
贵阳市科杰电脑培训学校 二级 C、二级 VF 培训班承诺考试不合格退培训费 电话:0851-5561184 网址:www（20）设有一组作业，它们的作业提交时刻及估计运行时间如下所示：作业号 提交时刻 估计运行时间（分钟）Job1 8：30 70Job2 9：10 30Job3 9：30 15Job4 9：50 5在单道批处理方式下，采用短作业优先调度算法，作业的执行顺序为;A）Job1，Job4，Job3，Job2B）Job1，Job3，Job4，Job2C）Job4，Job3，Job2，Job1D）Job4，Job1，Job2，Job3
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What's ( )job? Are ( ) British?A. your, yourB. you, yourC. your, you
Considerthefollowingcodesnippet:BEGINDBMS_SCHEDULER.SET_ATTRIBUTE(name=>,,lne_job1,attribute=>,,job_priority,value=>1);END;／Ifthiscodewereexecuted,whichofthefollowingstatementswouldbetrue?()A.Thepriorityofthelne_job1jobwouldbesetto1.B.Thelne_job1jobwouldbeexecutedsynchronously.C.Thelne_job1jobwouldrunimmediatelyintheuserscurrentsession.D.Thelne_job1jobwouldretainitscurrentpriority.E.Thejobwillimmediatelytakepriorityoverallrunningjobs.
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’）；
When setting arguments for a job, which procedure do you use for types that cannot be implicitly converted to and from a VARCHAR2 datatype?()A. SET_JOB_ARGUMENT_VALUEB. SET_JOB_VALUE_ANYDATAC. SET_JOB_ANYDATA_VALUED. SET_SPECIAL_JOB_VALUEE. SET_JOB_ANYTYPE_VALUE
Youhavecreatedajobclass,CUST_JOB_1,withtwojobs,CUST_JOB_1_AandCUST_JOB_1_B.Whichtwostatementsaretrue?()A.Thememberjobswouldgetdroppedwhenthejobclassisdropped.B.Boththejobswouldbeexecutedconcurrently.C.Thememberjobswouldgetdisabledwhenthejobclassisdropped.D.Theattributesdefinedattheclasslevelwouldbeappliedtoboththejobs.E.Jobsinthejobclassmusthavebeenassignedthesamepriority.
某单道批处理系统中有四个作 JOBl、JOB2、JOB3、JOB4，它们到达“输入井”的时刻和所需要的运行时间如下表所示。作业 进入系统时间 估计运行时间(分钟)JOB1 8：30 80JOB2 8：50 20JOB3 9：20 40JOB4 9：30 35假设9：30开始作业调度，按照最高响应比作业优先算法，首先被调度的作业是______。A．JOB1B．JOB2C．JOB3D．JOB4
