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.

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单项选择题YourecentlyactivatedaresourceplannamedOLTP_PLANinyourdatabase.Severalusersareconcurrentlyrunninglongtransactions.YoudecidetomonitortheresourcemanagertodetermineiftheresourceallocationformulatedintheOLTP_PLANissufficientforpeakdatabasehours.WhichdynamicperformanceviewshouldyouusetodisplaytheCPUtimeconsumedbyallthesessionswithintheresourcegroups？（）

A. V$SYSSTAT
B. V$SESSSTAT
C. V$RSRC_PLAN
D. V$RSRC_CONSUMER_GROUP

单项选择题You have created a resource plan， DAY. You execute the following code： SQL> BEGIN DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_DIRECTIVE （ PLAN => ’DAY’， COMMENT => ’DEPARTMENTS PLAN’， GROUP_OR_SUBPLAN => ’DEPARTMENTS’， CPU_P1=0）； END； Then， you issue the following code： SQL> BEGIN DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_DIRECTIVE （ PLAN => ’DAY’， COMMENT => ’DEPARTMENTS PLAN’， GROUP_OR_SUBPLAN => ’DEVELOPERS’， CPU_P2=100）； END； What will be the impact of executing the above code？（）

A. The DEVELOPERS and DEPARTMENTS subplans will be allocated CPU equally.
B. The DEVELOPERS subplan will be allocated 100 percent CPU if there are no resources allocated to the DEPARTMENTS subplan.
C. The DEPARTMENT subplan will be allocated 100 percent CPU if there are no resources allocated to the DEVELOPERS subplan.
D. The second code will not execute because one resource plan cannot be used by more than one subplan.

单项选择题Youarecreatingaresourceconsumergroupusingthe DBMS_RESOURCE_MANAGER.CREATE_CONSUMER_GROUPprocedure.Whichparameterwillyouusetodefinetheresourceschedulingmethodusedbetweensessionswithintheresourcegroup？（）

A. CPU_MTH
B. NEW_CPU_MTH
C. CPU_P1
D. CPU_P2

多项选择题YousettheundopoolresourceplandirectivefortheconsumergroupnamedDSS_USERSthatisassignedtotheDAY_SHIFTplan.Thedatabaseusers，SCOTTandBLAKE，belongtotheDSS_USERSresourcegroup.Theuser，SCOTT，initiatesadatabasesessionandexecutesabatchoperationthatinsertsmillionsofrowsintotheHISTORYtable.WhichtwooptionsaretrueifthetotalundospaceallocatedtotheDSS_USERSgroupexceedsthevaluespecifiedintheundopoolresourceplandirective？（）

A. The batch operation started by the user， SCOTT， terminates with an error.
B. The batch operation started by the user， SCOTT， hangs and you are required to increase the undo pool resource plan directive.
C. The batch operation started by the user， SCOTT， runs uninterrupted because the database uses the SYSTEM tablespace for the undo operation.
D. The user， BLAKE， cannot start a transaction that uses any DML operations until you increase the value of the undo pool resource plan directive.
E. The user BLAKE can start a transaction that uses any DML operations after the batch operation started by the user， SCOTT， terminates with an error.

单项选择题YouarecreatingthesimpleresourceplanusingtheDBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLANprocedure.Whichresourceallocationpolicywillbeusedfortheresourceplan？（）

A. RATIO
B. EMPHASIS
C. ACTIVE_SESS_POOL_MTH
D. RESOURCE_DEGREE_LIMIT_ABSOLUTE