A. an event
B. a schedule
C. a program
D. another chain
E. a lightweight job
第1题:
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’);
第2题:
A. SET_JOB_ARGUMENT_VALUE
B. SET_JOB_VALUE_ANYDATA
C. SET_JOB_ANYDATA_VALUE
D. SET_SPECIAL_JOB_VALUE
E. SET_JOB_ANYTYPE_VALUE
第3题:
A.Compilationfails.
B.Anexceptionisthrownatruntime.
C.Thevariablefirstissettonull.
D.Thevariablefirstissettoelements[0].
第4题:
A. LOG_HISTORY
B. JOB_LOG_RETENTION
C. WINDOW_LOG_RETENTION
D. WHICH_LOG
E. LOG_NAME
第5题:
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 70 Job2 9:10 30 Job3 9:30 15 Job4 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,Job2
B.Job1,Job3,Job4,Job2
C.Job4,Job3,Job2,Job1
D.Job4,Job1,Job2,Job3
第6题: