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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
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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 to improve performance()A Run the SQL Access AdvisorB 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” 相关考题
考题
A senior DBA asked you to execute the following command to improve performance:SQL ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle);You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows.What could be a reason for this recommendation?()A. The keep pool is not configured.B. Automatic Workarea Management is not configured.C. Automatic Shared Memory Management is not enabled.D. The data blocks in the SUBSCRIBE_LOG table are rarely accessed.E. All the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view
考题
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.
考题
You are upgrading to the Oracle 10g Database and will use the Automatic Shared Memory Management feature of the Oracle 10g Database. Which background process serves as the SGA memory broker that coordinates the sizing of the memory components?() A、 MMANB、 PMONC、 MMOND、 MMNL
考题
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.
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Which background process does Automatic Shared Memory Management use to coordinate the sizing of memory components?()A、PMONB、SMONC、MMNLD、MMANE、MMON
考题
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.
考题
SORT_AREA SIZE and HASH_AREA_SIZE parameters are ignored in some of the user sessions. What could be the reason?()A、The User Global Area (UGA) is not configured.B、The sessions were started using the login name SYS.C、The sessions are running in the Automatic Shared Memory Management mode.D、The sessions are running in the automatic Program Global Area (PGA) memory management mode.
考题
A senior DBA asked you to execute the following command to improve performance: SQL ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle); You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows. What could be a reason for this recommendation?()A、The keep pool is not configured.B、Automatic Workarea Management is not configured.C、Automatic Shared Memory Management is not enabled.D、The data blocks in the SUBSCRIBE_LOG table are rarely accessed.E、All the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view
考题
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
考题
You have configured Automatic Shared Memory Management. Which four memory structures would be automatically tuned? ()A、 log bufferB、 Java poolC、 Large poolD、 Fixed SGAE、 Shared poolF、 Streams poolG、 Keep buffer cacheH、 Database buffer cache
考题
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
考题
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
考题
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
考题
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.
考题
单选题Which background process does Automatic Shared Memory Management use to coordinate the sizing of memory components?()A
PMONB
SMONC
MMNLD
MMANE
MMON
考题
单选题An application accesses a small lookup table frequently. You notice that the required data blocks are getting aged out of the default buffer cache. How would you guarantee that the blocks for the table never age out?()A
Configure the KEEP buffer pool and alter the table with the corresponding storage clause.B
Increase the database buffer cache size.C
Configure the RECYCLE buffer pool and alter the table with the corresponding storage clause.D
Configure Automata Shared Memory Management.E
Configure Automatic Memory Management
考题
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.
考题
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
考题
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 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
考题
单选题You have included the following parameter setting in your server parameter file: PGA_AGGREGATE_TARGET = 800M SORT_AREA_SIZE = 100M HASH_AREA_SIZE = 100M BITMAP_MERGE_AREA_SIZE = 100M CREATE_BITMAP_AREA_SIZE = 100M Which statement is true?()A
All the *_AREA_SIZE parameters are ignored.B
The Automatic PGA Memory Management feature cannot be disabled.C
The total Program Global Area (PGA) memory cannot be manually increased above 800M.D
The total memory for the PGA can automatically exceed 800M using the Automatic PGA Memory Management feature.
考题
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 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
考题
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
考题
单选题You are upgrading to the Oracle 10g Database and will use the Automatic Shared Memory Management feature of the Oracle 10g Database. Which background process serves as the SGA memory broker that coordinates the sizing of the memory components?()A
MMANB
PMONC
MMOND
MMNL
考题
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 AdvisorB
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
考题
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 ManagementB
Automatic SGA Memory ManagementC
Automatic Shared Memory ManagementD
Automatic Memory ManagementE
Manual SGA Memory ManagementF
None of the above
考题
单选题Which statement is true about the Manageability Monitor (MMON) background process()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 database Instance.D
It performs dynamic memory management when Automatic Shared Memory Management is enabled for the Database instance
考题
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
考题
多选题You have configured Automatic Shared Memory Management. Which four memory structures would be automatically tuned? ()Alog bufferBJava poolCLarge poolDFixed SGAEShared poolFStreams poolGKeep buffer cacheHDatabase buffer cache
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