You executed the following code：  
BEGIN  
DBMS_SCHEDULER.SET_ATTRIBUTE 
（  NAME => ’JOB_A’，  
ATTRIBUTE => ’JOB_PRIORITY’，  
VALUE => 7）；  
END；  /  
After analyzing the above code， what conclusion will you draw？（）  

单项选择题Williamiscreatingajobclass.WilliamspecifiestheLOGGING_FULLsettingfortheLOGGING_LEVELattributeatthetimeofjobclasscreation.Whatistheimpactofusingthissetting？（）

A. Detailed information regarding the first run of each job in the class will be written in the job log， and every operation performed on the job class will be logged.
B. Detailed information regarding each run of only the first job in the class will be written in the job log， and every operation performed on the job class will be logged.
C. Detailed information regarding each run of each job in the class will be written in the job log， and every operation  performed on the job class will be logged.
D. Detailed information regarding each run of each job in the class will be written in the job log， but operations performed on the job class will not be logged.

单项选择题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.

单项选择题Whichviewwillyouusetoviewinformationregardingthejobsthatarecurrentlyrunninginadatabase？（）

A.DBA_SCHEDULER_RUNNING_JOBS
B.DBA_SCHEDULER_JOB_RUN_DETAILS
C.DBA_SCHEDULER_JOBS
D.DBA_SCHEDULER_JOB_LOG

单项选择题YourecentlycreatedacomplexresourceplannamedDB_PLANthathastwosubplansnamedOLTP_PLANandDSS_PLAN.TheOLTP_PLANandDSS_PLANsubplansareallotted70percentand30percentofthetotalCPUresources，respectively.TheOLTP_PLANsubplanallocates35percentoftheavailableCPUresourcestoaresourceconsumergroupnamedACCT_CLERKS.Accordingtothe OLTP_PLANsubplan，theremaining65percentoftheavailableCPUresourcesisallocatedtoasecondresourceconsumergroupnamedMKT_CLERKS.TheCPUresourcesavailabletotheDSS_PLANsubplanaredividedintotworesourceconsumergroupsnamedMKT_MANAGERSandFIN_MANAGERS.TheMKT_MANAGERSgroupreceives65percentoftheavailableCPUresources，andtheFIN_MANAGERSgroupreceives35percentoftheavailableCPUresources.WhatpercentageofactualCPUresourceswilltheresourceconsumergroup，MKT_CLERKS，receive，iftheDSS_PLANsubplandoesNOTconsumeanyCPUresources？（）

A. 45.5
B. 65
C. 70
D. 100

单项选择题You execute the following block of code：   SQL>BEGIN   DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN   （ SIMPLE_PLAN => ’DEPARTMENTS’，   CONSUMER_GROUP1 => ’PAYROLLL’，   GROUP1_CPU => 50，   CONSUMER_GROUP2 => ’SALES’，   GROUP2_CPU => 25，   CONSUMER_GROUP3 => ’MARKETING’，   GROUP3_CPU => 25）；   END；   SQL>    What is a prerequisite for using the simple resource plan created by executing the above code？（）

A. You must assign users to consumer groups.
B. You must grant the switch privilege to the users.
C. You must create a resource plan directive.
D. You must specify the complex resource plan.