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 t

题目
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()
A

Run the SQL Access Advisor.

B

Run the Memory Advisor for the sga

C

Run the Memory Advisor for the pga.

D

Run the Memory Advisor for the shared pool.

E

Run the Memory Advisor for the buffer cache


相似考题
参考答案和解析
正确答案: C
解析: 暂无解析
更多“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 t”相关问题
  • 第1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?()

    • A、modify the HASH_AREA_SIZE initialization parameter
    • B、modify the PGA_AGGREGATE_TARGET initialization parameter
    • C、modify the WORK_AREASIZE_POLICY initialization parameter
    • D、increase the value of the SGA_TARGET initialization parameter
    • E、increase the value of the SGA_MAX_SIZE initialization parameter
    • F、increase the value of the SORT_AREA_SIZE initialization parameter

    正确答案:B

  • 第2题:

    Which statement is true about the Manageability Monitor (MMON) background proces()

    • A、It transfers statistics from memory to disk at regular intervals.
    • B、It coordinates the rebalance activity for disk groups when ASM is used.
    • C、It communicates with the Automatic Storage Management (ASM) instance on behalf of the databaseinstance.
    • D、It performs dynamic memory management when Automatic Shared Memory Management is enabledfor the database instance.

    正确答案:A

  • 第3题:

    You realize that the control file is damaged in your production database.After restoring the control file from autobackup, what is the next step that you must do to proceed with the database recovery?()

    • A、Mount the database
    • B、Open the database in NORMAL mode
    • C、Open the database in RESTRICTED mode
    • D、Open the database with the RESETLOGS option

    正确答案:A

  • 第4题:

    Automatic Shared Memory Management is disabled for your database instance. You realize that thereare cases of SQL statements performing poorly because of repeated parsing activity, resulting indegradation of performance.  What would be your next step to improve performance? ()

    • A、Run the SQL Access Advisor.
    • B、Run the Memory Advisor for the sga.
    • C、Run the Memory Advisor for the pga.
    • D、Run the Memory Advisor for the shared pool.
    • E、Run the Memory Advisor for the buffer cache.

    正确答案:D

  • 第5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 Management
    • B、 Automatic SGA Memory Management
    • C、 Automatic Shared Memory Management
    • D、 Automatic Memory Management
    • E、 Manual SGA Memory Management
    • F、 None of the above

    正确答案:D

  • 第6题:

    You received complaints about the degradation of SQL query performance. You identified top SQL queries that consume time. What would be your next step to find out recommendations about statistics collection and restructuring of the SQL statement to improve query performance?()

    • A、run Segment Advisor
    • B、run SQL Tuning Advisor on top SQL statements
    • C、run the Automatic Workload Repository (AWR) report
    • D、run the Automatic Database Diagnostic Monitor (ADDM)on top SQL statements

    正确答案:B

  • 第7题:

    单选题
    You received complaints about the degradation of SQL query performance. You identified top SQL queries that consume time. What would be your next step to find out recommendations about statistics collection and restructuring of the SQL statement to improve query performance?()
    A

    run Segment Advisor

    B

    run SQL Tuning Advisor on top SQL statements

    C

    run the Automatic Workload Repository (AWR) report

    D

    run the Automatic Database Diagnostic Monitor (ADDM)on top SQL statements


    正确答案: B
    解析: 暂无解析

  • 第8题:

    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? ()
    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.


    正确答案: A,B
    解析: 暂无解析

  • 第9题:

    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?()
    A

    modify the HASH_AREA_SIZE initialization parameter

    B

    modify the PGA_AGGREGATE_TARGET initialization parameter

    C

    modify the WORK_AREASIZE_POLICY initialization parameter

    D

    increase the value of the SGA_TARGET initialization parameter

    E

    increase the value of the SGA_MAX_SIZE initialization parameter

    F

    increase the value of the SORT_AREA_SIZE initialization parameter


    正确答案: B
    解析: 暂无解析

  • 第10题:

    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()
    A

    Run the SQL Access Advisor

    B

    Run the Memory Advisor for the sga.

    C

    Run the Memory Advisor for the pga.

    D

    Run the Memory Advisor for the shared pool.

    E

    Run the Memory Advisor for the buffer cache


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Which statement is true about the Manageability Monitor (MMON) background proces()
    A

    It transfers statistics from memory to disk at regular intervals.

    B

    It coordinates the rebalance activity for disk groups when ASM is used.

    C

    It communicates with the Automatic Storage Management (ASM) instance on behalf of the databaseinstance.

    D

    It performs dynamic memory management when Automatic Shared Memory Management is enabledfor the database instance.


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    You use the Memory Advisor to tune the memory structures of your database. What is the prerequisite to use the Memory Advisor?()
    A

     The database must be in the ARCHIVELOG mode.

    B

     The automatic memory tuning must be enabled.

    C

     The change tracking feature must be enabled.

    D

     The automatic memory tuning must be disabled.


    正确答案: B
    解析: 暂无解析

  • 第13题:

    You work as a database administrator for Certkiller .com. You find that reports are running for a long time in your data warehousing applications. You suspect a lack of indexes is the reason for the performance degradation.  Which advisory component would you refer to, in order to determine the appropriate indexes?()

    • A、Memory Advisors
    • B、Segment Advisors
    • C、SQL Tuning and Access Advisors
    • D、Automated Workload Repository (AWR)
    • E、Automatic Database Diagnostic Monitor (ADDM)

    正确答案:C

  • 第14题:

    You find that the execution time of reports in your datawarehouse application is significantly high. You suspect the lack of indexes to be the reason for the degradation in performance. Which advisory component would you refer to, in order to determine the appropriate indexes?()

    • A、 Memory Advisor
    • B、 Segment Advisor
    • C、 SQL Access Advisor
    • D、 Automatic Workload Repository (AWR)
    • E、 Automatic Database Diagnostic Monitor (ADDM)

    正确答案:C

  • 第15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()

    • A、Run the SQL Access Advisor.
    • B、Run the Memory Advisor for the sga
    • C、Run the Memory Advisor for the pga.
    • D、Run the Memory Advisor for the shared pool.
    • E、Run the Memory Advisor for the buffer cache

    正确答案:D

  • 第16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?()

    • 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.

    正确答案:B,D

  • 第17题:

    You have configured Automatic Shared Memory Management. Which four memory structures would be automatically tuned? ()

    • A、 log buffer
    • B、 Java pool
    • C、 Large pool
    • D、 Fixed SGA
    • E、 Shared pool
    • F、 Streams pool
    • G、 Keep buffer cache
    • H、 Database buffer cache

    正确答案:B,C,E,H

  • 第18题:

    单选题
    You realize that the control file is damaged in your production database. After restoring the control file from autobackup, what is the next step that you must do to proceed with the database recovery?()
    A

    Mount the database

    B

    Open the database in NORMAL mode

    C

    Open the database in RESTRICTED mode

    D

    Open the database with the RESETLOGS option


    正确答案: C
    解析: 暂无解析

  • 第19题:

    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 set

    B

    The instance is started but the database will not be opened until PGA_AGGREGATE_TARGET and SGA_TARGET are set

    C

    The database is opened but users cannot perform transactions until PGA_AGGREGATE_TARGET and SGA_TARGET are set

    D

    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


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    Automatic Shared Memory Management is disabled for your database instance. You realize that thereare cases of SQL statements performing poorly because of repeated parsing activity, resulting indegradation of performance.  What would be your next step to improve performance? ()
    A

    Run the SQL Access Advisor.

    B

    Run the Memory Advisor for the sga.

    C

    Run the Memory Advisor for the pga.

    D

    Run the Memory Advisor for the shared pool.

    E

    Run the Memory Advisor for the buffer cache.


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    You find that the execution time of reports in your datawarehouse application is significantly high. You suspect the lack of indexes to be the reason for the degradation in performance. Which advisory component would you refer to, in order to determine the appropriate indexes?()
    A

     Memory Advisor

    B

     Segment Advisor

    C

     SQL Access Advisor

    D

     Automatic Workload Repository (AWR)

    E

     Automatic Database Diagnostic Monitor (ADDM)


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    Automatic Shared Memory Management (ASMM) has been enabled for your database instance.  Theinitialization parameters for the components that are managed by ASMM are not set. After observing theeffects of ASSM, you executed the following command: SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;  Which statement is true in this scenario()
    A

    The minimum memory size for the database buffer cache is set to 100 mb.

    B

    The maximum memory size that can be obtained by the database buffer cache during ASMM is set to100 mb

    C

    The minimum memory size allocated for a server process in the database buffer cache in dedicatedmode is set to 100 mb.

    D

    The maximum memory size from the database buffer cache that can be released for dynamicdistribution during ASMM is set to 100 mb


    正确答案: C
    解析: 暂无解析

  • 第23题:

    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 Management

    B

     Automatic SGA Memory Management

    C

     Automatic Shared Memory Management

    D

     Automatic Memory Management

    E

     Manual SGA Memory Management

    F

     None of the above


    正确答案: D
    解析: 暂无解析

  • 第24题:

    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 parameter

    B

     modify the PGA_AGGREGATE_TARGET initialization parameter

    C

     modify the WORK_AREASIZE_POLICY initialization parameter

    D

     increase the value of the SGA_TARGET initialization parameter

    E

     increase the value of the SGA_MAX_SIZE initialization parameter

    F

     increase the value of the SORT_AREA_SIZE initialization parameter


    正确答案: B
    解析: 暂无解析