单项选择题
You recently added a third-party application to your database and do not have access to the SQL code of this application. Database users are complaining of performance-related issues, such as increased time required to complete a query. While investigating, you discover from the STATSPACK utility that some of the memory structures have low hit ratios. You plan to resize some of the memory structures by using the Memory Advisor. For which memory structure will you fail to obtain optimal settings by using the Memory Advisor?()
A. java pool
B. shared pool
C. buffer cache
D. program global area
相关考题
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多项选择题
YouareenablingtheAutomaticSharedMemoryManagementfeatureintheOracleDatabase10gtoensurethattheimportantmemorystructuresoftheSystemGlobalArea(SGA)areautomaticallyadjusteddependingonthedatabaseworkload.YouareusingEnterpriseManager10gtoenablethisfeature.YouarecurrentlyontheAdministrationtabpage. WhichtwolinksshouldyouclicktogototheMemoryAdvisorpage?()
A. Advisor Central
B. Global Attributes
C. Resource Monitors
D. Memory Parameters
E. Database Usage Statistics
F. All Initialization Parameters
G. Automatic Workload Repository -
单项选择题
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. -
单项选择题
You have included the following parameter settings in your SPFILE: SGA_MAX_SIZE=8G SGA_TARGET=6G DB_CACHE_SIZE=2G SHARED_POOL_SIZE=1G LOG_BUFFER=64M DB_KEEP_CACHE_SIZE=960M Which statement is true if you modify the SGA_TARGET initialization parameter?()
A.The SGA_TARGET initialization parameter cannot be set to a value greater than 8G
B. The DB_CACHE_SIZE initialization parameter cannot be set to a value less than 2G
C. The DB_CACHE_SIZE initialization parameter cannot be set to a value greater than 2G
D. The DB_KEEP_CACHE_SIZE initialization parameter cannot be set to a value greater than 960M
E. The DB_KEEP_CACHE_SIZE initialization parameter cannot be set to a value less than 960M
