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单选题
You are creating a job class. You have issued the following command to create the job class： SQL> BEGIN DBMS_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 => ’LOW JOB PRIORITY CLASS’）； END； SQL> / What will be the result of the above command？（）
A
The command will be executed successfully.
B
The command will fail because RESOURCE_CONSUMER_GROUP is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.
C
The command will fail because LOGGING_LEVEL is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.
D
The command will fail because LOG_HISTORY is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.
E
The command will fail because 1200 is an invalid value for the LOG_HISTORY parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.
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更多 “单选题You are creating a job class. You have issued the following command to create the job class： SQL BEGIN DBMS_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 = ’LOW JOB PRIORITY CLASS’）； END； SQL / What will be the result of the above command？（）A The command will be executed successfully.B The command will fail because RESOURCE_CONSUMER_GROUP is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.C The command will fail because LOGGING_LEVEL is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.D The command will fail because LOG_HISTORY is an invalid parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.E The command will fail because 1200 is an invalid value for the LOG_HISTORY parameter in the DBMS_SCHEDULER.CREATE_JOB_CLASS procedure.” 相关考题
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请阅读短文，完成此题。
What should you think about in trying to find your career? You are probably better at some school subjects than others. These may show strengths that you can use in your work. A boy who is good at mathematics can use that in an engineering career. A girl who spells well and likes English may be good at office work. So it is important to know the subjects you do well in at school. On the other hand, you may not have any specially strong or weak subjects but your records show a general satisfactory standard. Although not all subjects can be used directly in a job, they may have indirect value. Knowledge of history is not required for most jobs but if history is one of your good subjects you will have learned to remember facts and details. This is an ability that can be useful in many jobs.
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A．The importance of doing well at school.
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What should you think about in trying to find your career? You are probably better at some school subjects than others. These may show strengths that you can use in your work. A boy who is good at mathematics can use that in an engineering career. A girl who spells well and likes English may be good at office work. So it is important to know the subjects you do well in at school. On the other hand, you may not have any specially strong or weak subjects but your records show a general satisfactory standard. Although not all subjects can be used directly in a job, they may have indirect value. A knowledge of history is not required for most jobs but if history is one of your good subjects you will have learned to remember facts and details. This is an ability that can be useful in many jobs.
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单选题While creating a job class using the DBMS_SCHEDULER package， you set the logging level to LOGGING_RUNS. What would be the impact of this setting？（）A
Oracle Scheduler would write detailed information to the job log for each run of each job in the job class.B
Oracle Scheduler would write detailed information to the job log for the first run of each job in the job class.C
Oracle Scheduler would write detailed information to the job log for each run of only the first job in the job class.D
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单选题You are creating a job class. You want access to the detailed information for all the runs of each job in the class and every operation performed on every job in the class. Which setting will you use for the LOGGING_LEVEL parameter？（）A
LOGGING_OFFB
LOGGING_RUNSC
LOGGING_FULLD
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单选题You_______yesterday if you were really serious about the job.A
ought to comeB
ought to be comingC
ought to have comeD
ought have come
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