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单选题
Records from the data dictionary information are stored in which of the following database memory areas?()
A

Library cache 

B

Row cache 

C

Session UGA 

D

Buffer cache


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考题 单选题You observe that database performance has degraded over a period of time. While investigating the reason, you find that the size of the database buffer cache is not large enough to cache all the needed data blocks.  Which advisory component would you refer to, in order to determine the required size of the database buffer cache?()A Memory AdvisorB Segment AdvisorC SQL Tuning AdvisorD SQL Access AdvisorE Automatic Database Diagnostic Monitor (ADDM)

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A database application is installed on a server. The AIX default filesystem cache is not being re-used by the database. Which of the following should be used to fix this problem?()A vmo to adjust the maxperm valueB schedo to adjust the mempool sizeC ioo to modify the maxpgahead valueD bosboot to reassign the memory cache size

考题 单选题A consultant has been asked to do a performance analysis on a database server.  Which subsystem should the consultant first analyze and why?()A CPU,because the database replication process requires a considerable amount of CPU timeB Memory,because the buffer cache requires a large amount of memory to maintain the data in system memoryC Disk,because it is important to configure a sufficient number of disks to match the CPU processing powerD Network,because the data returned to the client from the server can be a large subset of the total database