单项选择题
A.1 and 2
B.2 and 5
C.1，3，and 4
D.3，4，and 5
E.1，2，3，and 4
单项选择题 You have executed this command to change the size of the database buffer cache： SQL> ALTER SYSTEM SET DB_CACHE_SIZE=2516582； System altered. To verify the change in size， you executed this command： SQL> SHOW PARAMETER DB_CACHE_SIZE NAME TYPE VALUE ------------------- ----------- ------------------ db_cache_size big integer 4194304 （4M） Why is the value set to 4194304 and not to 2516582（）
单项选择题 Whichisthecorrectdescriptionofapinnedbufferinthedatabasebuffercache（）
单项选择题 Identify the memory component from which memory may be allocated for: （） 1: Session memory for the shared server 2: Buffers for I/O slaves 3: Oracle Database Recovery Manager (RMAN) backup and restore operations