单选题You updated the resource plan directive for the resource consumer group, DSS_USERS. The resource plan directive is assigned to the DSS_PLAN by using the following statement:   SQLEXEC DBMS_RESOURCE_MANAGER.UPDATE_PLAN_DIRECTIVE  (PLAN = ’DSS_PLAN’,   GROUP_OR_SUBPLAN = ’DSS_USERS’,   NEW_CPU_P1 = 80,   NEW_SWITCH_GROUP = ’CANCEL_SQL’,   NEW_SWITCH_ESTIMATE = TRUE,   NEW_SWITCH_TIME = 600); A user connects to the database and starts an operation. What is the outcome if Oracle estimates that the execution time for this operation will exceed 600 seconds?()A The session is killed before starting the operation.B The session generates an error before starting the operation.C The session switches to the CANCEL_SQL resource consumer group before starting the operation.D The session hangs before starting the operation.

单选题
You updated the resource plan directive for the resource consumer group, DSS_USERS. The resource plan directive is assigned to the DSS_PLAN by using the following statement:   SQL>EXEC DBMS_RESOURCE_MANAGER.UPDATE_PLAN_DIRECTIVE  (PLAN => ’DSS_PLAN’,   GROUP_OR_SUBPLAN => ’DSS_USERS’,   NEW_CPU_P1 => 80,   NEW_SWITCH_GROUP => ’CANCEL_SQL’,   NEW_SWITCH_ESTIMATE => TRUE,   NEW_SWITCH_TIME => 600); A user connects to the database and starts an operation. What is the outcome if Oracle estimates that the execution time for this operation will exceed 600 seconds?()
A

 The session is killed before starting the operation.

B

 The session generates an error before starting the operation.

C

 The session switches to the CANCEL_SQL resource consumer group before starting the operation.

D

 The session hangs before starting the operation.


参考解析

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View the Exhibit and examine the steps that you executed to create a database resource plan. Subsequently, you execute the following procedure which results in an error:SQL EXECUTE dbms_resources_manager.validate_pending_area ( );What could be the reason?()A. The pending area is automatically submitted after the plan creationB. The procedure must be executed before creating the resources plan directiveC. The SYS_GROUP resource consumer group is not included in the resource plan directiveD. The OTHER_GROUPS resources consumer group is not included in the resource plan directive

Youhavecreatedaresourceplan,DAY.Youexecutethefollowingcode:SQLBEGINDBMS_RESOURCE_MANAGER.CREATE_SIMPLE_DIRECTIVE(PLAN=’DAY’,COMMENT=’DEPARTMENTSPLAN’,GROUP_OR_SUBPLAN=’DEPARTMENTS’,CPU_P1=0);END;Then,youissuethefollowingcode:SQLBEGINDBMS_RESOURCE_MANAGER.CREATE_SIMPLE_DIRECTIVE(PLAN=’DAY’,COMMENT=’DEPARTMENTSPLAN’,GROUP_OR_SUBPLAN=’DEVELOPERS’,CPU_P2=100);END;Whatwillbetheimpactofexecutingtheabovecode?()

Youupdatedtheresourceplandirectivefortheresourceconsumergroup,DSS_USERS.TheresourceplandirectiveisassignedtotheDSS_PLANbyusingthefollowingstatement:SQLEXECDBMS_RESOURCE_MANAGER.UPDATE_PLAN_DIRECTIVE(PLAN=’DSS_PLAN’,GROUP_OR_SUBPLAN=’DSS_USERS’,NEW_CPU_P1=80,NEW_SWITCH_GROUP=’CANCEL_SQL’,NEW_SWITCH_ESTIMATE=TRUE,NEW_SWITCH_TIME=600);Auserconnectstothedatabaseandstartsanoperation.WhatistheoutcomeifOracleestimatesthattheexecutiontimeforthisoperationwillexceed600seconds?()

You create two resource plans, one for data warehouse loading jobs at night and the other for application jobs at day time. You want the resource plans to activate automatically so that the resource allocation is optimum as desired by the activity.How would you achieve this?()A、Implement job classesB、Implement Scheduler windowsC、Implement the mapping rule for the consumer groupsD、Set the SWITCH_TIME resource plan directive for both the resource plans

The Database Resource Manager is not currently active in your database that is up and running. You created a resource plan named DAY_PLAN that contains two sub-plans named MANAGERS_PLAN and CLERKS_PLAN. You decided to activate DAY_PLAN by executing the following statement:       SQLALTER SYSTEM SET RESOURCE_MANAGER_PLAN = ’managers_plan’;  What will be the outcome of this statement?()  A、 The statement will deactivate DAY_PLAN.B、 The statement will activate DAY_PLAN as the top plan.C、 The statement will activate MANAGERS_PLAN as the top plan.D、 The statement will return an error because MANAGERS_PLAN is not the top plan.

You have created a resource plan, DB_PLAN, using DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN and you want to impose a restriction on utilization of resources by the database users.   Which step must be performed before you can start using the resource plan?()A、assign users to consumer groupsB、set the resource plan for the instanceC、configure a simple resource plan and specify plan directivesD、configure a complex resource plan and specify plan directives

You recently created a complex resource plan named DB_PLAN that has two subplans named OLTP_PLAN and DSS_PLAN. The OLTP_PLAN and DSS_PLAN subplans are allotted 70 percent and 30 percent of the total CPU resources, respectively. The OLTP_PLAN subplan allocates 35 percent of the available CPU resources to a resource consumer group named ACCT_CLERKS. According to the OLTP_PLAN subplan, the remaining 65 percent of the available CPU resources is allocated to a second resource consumer group named MKT_CLERKS. The CPU resources available to the DSS_PLAN subplan are divided into two resource consumer groups named MKT_MANAGERS and FIN_MANAGERS. The MKT_MANAGERS group receives 65 percent of the available CPU resources, and the FIN_MANAGERS group receives 35 percent of the available CPU resources. What percentage of actual CPU resources will the resource consumer group, MKT_CLERKS, receive, if the DSS_PLAN subplan does NOT consume any CPU resources?()  A、 45.5B、 65C、 70D、 100

You are using the Database Resource Manager to manage database resources. You created a resource plan directive for the MANAGERS resource consumer group under the SALES_PLAN by using the following statement:   SQLEXEC DBMS_RESOURCE_MANAGER.CREATE_PLAN_DIRECTIVE   (PLAN = ’SALES_PLAN’,   GROUP_OR_SUBPLAN = ’MANAGERS’,   CPU_P1 = 100, CPU_P2 =0,   SWITCH_GROUP = ’CLERKS’,   SWITCH_TIME_IN_CALL = 600);   A user, SCOTT, who is assigned to the MANAGERS group, starts a database session and executes a query on the database. What is the outcome if the query takes approximately 15 minutes to complete?()  A、 The query starts under the CLERKS group and the user, SCOTT, switches back to the MANAGERS group after the query completes.B、 The query starts under the MANAGERS group but terminates with an error when the execution time exceeds 10 minutes.C、 The query starts under the MANAGERS group and switches automatically to the CLERKS group when the execution time exceeds 10 minutes. The query does not switch back to the MANAGERS group after the query completes.D、 The query starts under the MANAGERS group, the user SCOTT switches automatically to the CLERKS group when the execution time exceeds 10 minutes, and then switches back to the MANAGERS group after the query completes.

You execute the following block of code:   SQLBEGIN   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.

You updated the resource plan directive for the resource consumer group, DSS_USERS. The resource plan directive is assigned to the DSS_PLAN by using the following statement:   SQLEXEC DBMS_RESOURCE_MANAGER.UPDATE_PLAN_DIRECTIVE  (PLAN = ’DSS_PLAN’,   GROUP_OR_SUBPLAN = ’DSS_USERS’,   NEW_CPU_P1 = 80,   NEW_SWITCH_GROUP = ’CANCEL_SQL’,   NEW_SWITCH_ESTIMATE = TRUE,   NEW_SWITCH_TIME = 600); A user connects to the database and starts an operation. What is the outcome if Oracle estimates that the execution time for this operation will exceed 600 seconds?()  A、 The session is killed before starting the operation.B、 The session generates an error before starting the operation.C、 The session switches to the CANCEL_SQL resource consumer group before starting the operation.D、 The session hangs before starting the operation.

You create two resource plans, one for data warehouse loading jobs at night and the other for application jobs at day time. You want the resource plans to activate automatically so that the resource allocation is optimum as desired by the activity.How would you achieve this? ()A、Implement job classes B、Implement Scheduler windowsC、Implement the mapping rule for the consumer groups D、Set the SWITCH_TIME resource plan directive for both the resource plans

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.

Which statement is true while creating subplans using Resource Manager?()A、 The subplan must belong to the consumer group, SYS_GROUP.B、 The total CPU usage at any given level must be less than 100%.C、 The subplans can be used to restrict the degree of parallelism for a user.D、 You can use a resource plan instead of a consumer group to implement a priority ranking within the plan.

You set the undo pool resource plan directive for the consumer group named DSS_USERS that is assigned to the DAY_SHIFT plan. The database users, SCOTT and BLAKE, belong to the DSS_USERS resource group. The user, SCOTT, initiates a database session and executes a batch operation that inserts millions of rows into the HISTORY table. Which two options are true if the total undo space allocated to the DSS_USERS group exceeds the value specified in the undo pool resource plan directive?()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.

单选题The Database Resource Manager is not currently active in your database that is up and running. You created a resource plan named DAY_PLAN that contains two sub-plans named MANAGERS_PLAN and CLERKS_PLAN. You decided to activate DAY_PLAN by executing the following statement:       SQLALTER SYSTEM SET RESOURCE_MANAGER_PLAN = ’managers_plan’;  What will be the outcome of this statement?()A The statement will deactivate DAY_PLAN.B The statement will activate DAY_PLAN as the top plan.C The statement will activate MANAGERS_PLAN as the top plan.D The statement will return an error because MANAGERS_PLAN is not the top plan.

单选题You have created a resource plan, DB_PLAN, using DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN and you want to impose a restriction on utilization of resources by the database users.   Which step must be performed before you can start using the resource plan?()Aassign users to consumer groupsBset the resource plan for the instanceCconfigure a simple resource plan and specify plan directivesDconfigure a complex resource plan and specify plan directives

多选题Automatic Consumer Group Switching is an important new feature of the Database Resource Manager. Which three plan directive parameters are used to control this feature?()ASWITCH_TIMEBSWITCH_GROUPCMAX_SESS_POOLDSWITCH_ESTIMATE

单选题You updated the resource plan directive for the resource consumer group, DSS_USERS. The resource plan directive is assigned to the DSS_PLAN by using the following statement:   SQLEXEC DBMS_RESOURCE_MANAGER.UPDATE_PLAN_DIRECTIVE  (PLAN = ’DSS_PLAN’,   GROUP_OR_SUBPLAN = ’DSS_USERS’,   NEW_CPU_P1 = 80,   NEW_SWITCH_GROUP = ’CANCEL_SQL’,   NEW_SWITCH_ESTIMATE = TRUE,   NEW_SWITCH_TIME = 600); A user connects to the database and starts an operation. What is the outcome if Oracle estimates that the execution time for this operation will exceed 600 seconds?()A The session is killed before starting the operation.B The session generates an error before starting the operation.C The session switches to the CANCEL_SQL resource consumer group before starting the operation.D The session hangs before starting the operation.

单选题You have created a resource plan, DB_PLAN, using DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN and you want to impose a restriction on utilization of resources by the database users. Which step must be performed before you can start using the resource plan?()A assign users to consumer groupsB set the resource plan for the instanceC configure a simple resource plan and specify plan directivesD configure a complex resource plan and specify plan directives

单选题You are using the Database Resource Manager to manage database resources. You created a resource plan directive for the MANAGERS resource consumer group under the SALES_PLAN by using the following statement:   SQLEXEC DBMS_RESOURCE_MANAGER.CREATE_PLAN_DIRECTIVE   (PLAN = ’SALES_PLAN’,   GROUP_OR_SUBPLAN = ’MANAGERS’,   CPU_P1 = 100, CPU_P2 =0,   SWITCH_GROUP = ’CLERKS’,   SWITCH_TIME_IN_CALL = 600);   A user, SCOTT, who is assigned to the MANAGERS group, starts a database session and executes a query on the database. What is the outcome if the query takes approximately 15 minutes to complete?()A The query starts under the CLERKS group and the user, SCOTT, switches back to the MANAGERS group after the query completes.B The query starts under the MANAGERS group but terminates with an error when the execution time exceeds 10 minutes.C The query starts under the MANAGERS group and switches automatically to the CLERKS group when the execution time exceeds 10 minutes. The query does not switch back to the MANAGERS group after the query completes.D The query starts under the MANAGERS group, the user SCOTT switches automatically to the CLERKS group when the execution time exceeds 10 minutes, and then switches back to the MANAGERS group after the query completes.

单选题You create two resource plans, one for data warehouse loading jobs at night and the other for application jobs at day time. You want the resource plans to activate automatically so that the resource allocation is optimum as desired by the activity.How would you achieve this?()AImplement job classesBImplement Scheduler windowsCImplement the mapping rule for the consumer groupsDSet the SWITCH_TIME resource plan directive for both the resource plans

单选题You create two resource plans,one for data warehouse loading jobs at night and the other for application jobs at day time. You want the resource plans to activate automatically so that the resource allocation is optimum as desired by the activity.  How would you achieve this?()A Implement job classesB Implement Scheduler windowsC Implement the mapping rule for the consumer groupsD Set the SWITCH_TIME resource plan directive for both the resource plans

单选题You are using Resource Manager to manage system resources. While creating a new database user, you observe that the user is a member of DEFAULT_CONSUMER_GROUP by default. What would be the implications of this?()AThe Resource Manager plan does not affect the user.BThere must be a plan directive in any of the plans of the group to control the resources.CThe members of the group DEFAULT_CONSUMER_GROUP always have resource restrictions.DThe members of DEFAULT_CONSUMER_GROUP are restrained from accessing the system tables.EThe members of this group can change their group without the database administrator’s intervention.

单选题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.

单选题Which statement is true while creating subplans using Resource Manager?()A The subplan must belong to the consumer group, SYS_GROUP.B The total CPU usage at any given level must be less than 100%.C The subplans can be used to restrict the degree of parallelism for a user.D You can use a resource plan instead of a consumer group to implement a priority ranking within the plan.

多选题You set the undo pool resource plan directive for the consumer group named DSS_USERS that is assigned to the DAY_SHIFT plan. The database users, SCOTT and BLAKE, belong to the DSS_USERS resource group. The user, SCOTT, initiates a database session and executes a batch operation that inserts millions of rows into the HISTORY table. Which two options are true if the total undo space allocated to the DSS_USERS group exceeds the value specified in the undo pool resource plan directive?()AThe batch operation started by the user, SCOTT, terminates with an error.BThe batch operation started by the user, SCOTT, hangs and you are required to increase the undo pool resource plan directive.CThe batch operation started by the user, SCOTT, runs uninterrupted because the database uses the SYSTEM tablespace for the undo operation.DThe user, BLAKE, cannot start a transaction that uses any DML operations until you increase the value of the undo pool resource plan directive.EThe user BLAKE can start a transaction that uses any DML operations after the batch operation started by the user, SCOTT, terminates with an error.

单选题You recently created a complex resource plan named DB_PLAN that has two subplans named OLTP_PLAN and DSS_PLAN. The OLTP_PLAN and DSS_PLAN subplans are allotted 70 percent and 30 percent of the total CPU resources, respectively. The OLTP_PLAN subplan allocates 35 percent of the available CPU resources to a resource consumer group named ACCT_CLERKS. According to the OLTP_PLAN subplan, the remaining 65 percent of the available CPU resources is allocated to a second resource consumer group named MKT_CLERKS. The CPU resources available to the DSS_PLAN subplan are divided into two resource consumer groups named MKT_MANAGERS and FIN_MANAGERS. The MKT_MANAGERS group receives 65 percent of the available CPU resources, and the FIN_MANAGERS group receives 35 percent of the available CPU resources. What percentage of actual CPU resources will the resource consumer group, MKT_CLERKS, receive, if the DSS_PLAN subplan does NOT consume any CPU resources?()A 45.5B 65C 70D 100

单选题You execute the following block of code:   SQLBEGIN   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.