单选题The DBA has chosen to manage SGA and PGA memory separately in an OLTP database because of his unique knowledge of the application. Which of these are good starting points to use when configuring the maximum values for SGA and PGA，based on the amount of memory available on the system？（）A 20% SGA 80% PGAB 25% SGA 75% PGAC 50% SGA 50% PGAD 75% SGA 25% PGAE 80% SGA 20% PGA
单选题
The DBA has chosen to manage SGA and PGA memory separately in an OLTP database because of his unique knowledge of the application. Which of these are good starting points to use when configuring the maximum values for SGA and PGA，based on the amount of memory available on the system？（）
A
20% SGA 80% PGA
B
25% SGA 75% PGA
C
50% SGA 50% PGA
D
75% SGA 25% PGA
E
80% SGA 20% PGA
参考解析
解析：
暂无解析
相关考题：
You set the following parameters in the parameter file and restarted the database:Which two statements are true regarding these parameters after the database instance is restarted?() A. The MEMORY_MAX_TARGET parameter is automatically set to 500 MBB. The value of the MEMORY_MAX_TARGET parameter remains zero till it is changed manuallyC. The PGA_AGGREGATE_TARGET and SGA_TARGET parameters are automatically set to zeroD. The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively
Which statement about Automatic Memory Management with Oracle 11g is true?() A. You cannot specify MEMORY_TARGET if you explicitly specify SGA_TARGET or PGA_AGGREGATE_TARGET values that are greater than zero in your parameter file.B. Oracle can reallocate memory between the SGA and PGA automatically as needed.C. To use Automatic Memory Management, you must explicitly set both the MEMORY_TARGET and MEMORY_MAX_TARGET parameters in your parameter file.D. You can set the MEMORY_TARGET parameter to a maximum value of the current SGA size plus the current PGA size.
以下关于SGA和PGA的叙述正确的是() A.PGA是SGA的一部分，SGA是共享的，但分配后的PGA是不共享的B.PGA是客户机内存的一部分，而SGA是服务器内存的一部分C.PGA和SGA都是服务器内存的一部分，前者是私有的，后者是共享的D.PGA与SGA的总和等于服务器主机内存的总和
You are working in a dedicated server environment. Your database is running in the automatic Program Global Area （PGA） memory management mode. Which two statements are correct in this scenario？ （）A、 The WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO.B、 The Oracle database automatically controls the amount of PGA memory allotted to SQL work areas.C、 Setting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA memory management.D、 The SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA memory management mode.
Which statements about the MEMORY_TARGET initialization parameter are true？（） A、 MEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET， if MEMORY_MAX_TARGET is set to a value greater than zeroB、 MEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not setC、 MEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA memory structures.D、 MEMORY_TARGET is static and cannot be modified without shutting down the instance
You specify a nonzero value for the MEMORY_TARGET initialization parameter，but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance. Which statement about the result is true？（）A、 The database instance starts，and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZEB、 The database instance starts，and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGAC、 The database instance starts，but Automatic Memory Management is disabledD、 The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter
You specify a nonzero value for the MEMORY_TARGET initialization parameter, but do not set thePGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.Which statement about the result is true?（）A、The database instance starts, and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZEB、The database instance starts, and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGAC、The database instance starts, but Automatic Memory Management is disabledD、The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter
Your database is configured in shared server mode. However， your senior DBA asks you to modifythe value of the PRIVATE_SGA limit in the profile of the users. What could be the reason for this（）A、to limit the User Global Area （UGA） memory allocated to a session from the SGAB、to limit the amount of memory to be used for the dispatcher queue of a session in SGAC、to limit the amount of memory to be used for the request pool in System Global Area （SGA）D、to control the amount of memory allocated in SGA for the local variables for each shared server process
For Oracle 11g， Oracle strongly recommends that you configure your database to use which of the following memory-management features？（） A、 Automatic PGA Memory ManagementB、 Automatic SGA Memory ManagementC、 Automatic Shared Memory ManagementD、 Automatic Memory ManagementE、 Manual SGA Memory ManagementF、 None of the above
Which of the following Oracle features is enabled by setting a nonzero value for the MEMORY_TARGET initialization parameter？（） A、 Automatic PGA Memory ManagementB、 Automatic SGA Memory ManagementC、 Automatic Shared Memory ManagementD、 Automatic Memory ManagementE、 Manual SGA Memory ManagementF、 None of the above
In Oracle 11g，by default which one of the following conditions implicitly enables Automatic PGA Memory Management？（） A、 Setting a nonzero value for SGA_TARGETB、 Configuring Automatic Shared Memory ManagementC、 Configuring Automatic Memory ManagementD、 Setting a nonzero value for SGA_MAX_SIZE and PGA_AGGREGATE_TARGETE、 None of the above
By setting the value of MEMORY_TARGET to zero and setting the value of SGA_TARGET to a nonzero value， you will enable which of the following memory-management options？（） A、 Automatic PGA Memory ManagementB、 Automatic SGA Memory ManagementC、 Automatic Shared Memory ManagementD、 Automatic Memory ManagementE、 Manual SGA Memory ManagementF、 None of the above
The DBA has chosen to manage SGA and PGA memory separately in an OLTP database because of his unique knowledge of the application. Which of these are good starting points to use when configuring the maximum values for SGA and PGA，based on the amount of memory available on the system？（）A、 20% SGA 80% PGAB、 25% SGA 75% PGAC、 50% SGA 50% PGAD、 75% SGA 25% PGAE、 80% SGA 20% PGA
单选题You specify a nonzero value for the MEMORY_TARGET initialization parameter, but do not set thePGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.Which statement about the result is true?（）AThe database instance starts, and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZEBThe database instance starts, and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGACThe database instance starts, but Automatic Memory Management is disabledDThe database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter
单选题In Oracle 11g，by default which one of the following conditions implicitly enables Automatic PGA Memory Management？（）A Setting a nonzero value for SGA_TARGETB Configuring Automatic Shared Memory ManagementC Configuring Automatic Memory ManagementD Setting a nonzero value for SGA_MAX_SIZE and PGA_AGGREGATE_TARGETE None of the above
单选题Examine the parameter setting in your database: Which statement is correct about the database?（）A Automatic memory management is disabled because PGA_AGGREGATE_TARGET and SGA_TARGET are not setB The instance is started but the database will not be opened until PGA_AGGREGATE_TARGET and SGA_TARGET are setC The database is opened but users cannot perform transactions until PGA_AGGREGATE_TARGET and SGA_TARGET are setD Automatic memory management is enabled and, as per policy, 60% of the memory for System Global Area (SGA) and 40% of the memory for Program Global Area (PGA) will be distributed at startup
单选题Your database is configured in shared server mode. However， your senior DBA asks you to modify the value ofthe PRIVATE_SGA limit in the profile of the users. What could be the reason for this（）ATo limit the User Global Area （UGA） memory allocated to a session from the SGABTo limit the amount of memory to be used for the dispatcher queue of a session in SGACTo limit the amount of memory to be used for the request pool in System Global Area （SGA）DTo control the amount of memory allocated in SGA for the local variables for each shared server process
单选题Your database is running on the automatic Program Global Area （PGA） memory management and Shared Memory Management mode. You want to increase the memory available for the SQL work areas. What would you do？（）A modify the HASH_AREA_SIZE initialization parameterB modify the PGA_AGGREGATE_TARGET initialization parameterC modify the WORK_AREASIZE_POLICY initialization parameterD increase the value of the SGA_TARGET initialization parameterE increase the value of the SGA_MAX_SIZE initialization parameterF increase the value of the SORT_AREA_SIZE initialization parameter
单选题Your database is running in the automatic Program Global Area （PGA） memory management and Shared Memory Management mode. You want to increase the memory available for the SQL work areas. What would you do？（）Amodify the HASH_AREA_SIZE initialization parameterBmodify the PGA_AGGREGATE_TARGET initialization parameterCmodify the WORK_AREASIZE_POLICY initialization parameterDincrease the value of the SGA_TARGET initialization parameterEincrease the value of the SGA_MAX_SIZE initialization parameterFincrease the value of the SORT_AREA_SIZE initialization parameter
单选题By setting the value of MEMORY_TARGET to zero and setting the value of SGA_TARGET to a nonzero value， you will enable which of the following memory-management options？（）A Automatic PGA Memory ManagementB Automatic SGA Memory ManagementC Automatic Shared Memory ManagementD Automatic Memory ManagementE Manual SGA Memory ManagementF None of the above
单选题Which statement about Automatic Memory Management with Oracle 11g is true？（）A You cannot specify MEMORY_TARGET if you explicitly specify SGA_TARGET or PGA_AGGREGATE_ TARGET values that are greater than zero in your parameter file.B Oracle can reallocate memory between the SGA and PGA automatically as needed.C To use Automatic Memory Management， you must explicitly set both the MEMORY_TARGET and MEMORY_MAX_TARGET parameters in your parameter file.D You can set the MEMORY_TARGET parameter to a maximum value of the current SGA size plus the current PGA size.
单选题You specify a nonzero value for the MEMORY_TARGET initialization parameter, but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance. Which statement about the result is true?（）AThe database instance starts, and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZEBThe database instance starts, and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGACThe database instance starts, but Automatic Memory Management is disabledDThe database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter
多选题You set the following parameters in the parameter file and restarted the database：MEMORY_MAX_TARGET=0MEMORY_TARGET=500M PGA_AGGREGATE_TARGET=90MSGA_TARGET=270M Which two statements are true about these parameters after the database instance is restarted（）AThe MEMORY_MAX_TARGET parameter is automatically set to 500 mb.BThe pga_AGGREGATE_TARGET and sga_TARGET parameters are automatically set to zero.CThe value of the MEMORY_MAX_TARGET parameter remains zero until it is changed manually.DThe lower bounds of pga_AGGREGATE_TARGET and sga_TARGET parameters are set to 90 nb and270 mb， respectively
单选题Automatic Shared Memory Management is disabled for your database instance. You realize that there arecases of SQL statements performing poorly because of repeated parsing activity， resulting in degradation ofperformance. What would be your next step to improve performance（）ARun the SQL Access AdvisorBRun the Memory Advisor for the sga.CRun the Memory Advisor for the pga.DRun the Memory Advisor for the shared pool.ERun the Memory Advisor for the buffer cache
多选题You are working in a dedicated server environment. Your database is running in the automatic Program Global Area （PGA） memory management mode. Which two statements are correct in this scenario？（）AThe WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO.BThe Oracle database automatically controls the amount of PGA memory allotted to SQL work areas.CSetting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA memory management.DThe SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA memory management mode.
单选题For Oracle 11g， Oracle strongly recommends that you configure your database to use which of the following memory-management features？（）A Automatic PGA Memory ManagementB Automatic SGA Memory ManagementC Automatic Shared Memory ManagementD Automatic Memory ManagementE Manual SGA Memory ManagementF None of the above
单选题Which of the following Oracle features is enabled by setting a nonzero value for the MEMORY_TARGET initialization parameter？（）A Automatic PGA Memory ManagementB Automatic SGA Memory ManagementC Automatic Shared Memory ManagementD Automatic Memory ManagementE Manual SGA Memory ManagementF None of the above