【单选题】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:SQ...
A.
Because 4194304 is the granule size
B.
Because 4194304 is the standard block size
C.
Because 4194304 is the largest nonstandard block size defined in the database
D.
Because 4194304 is the total size of data already available in the database buffer cache
【单选题】When scaling Coherence from one to two cache servers, it will not show the same scalability as two to four. Why?()
A.
Coherence uses a more efficient TCMP algorithm going from two to four cache servers
B.
When going from one to two cache servers, object backups are copied across servers so work is doubled,but going from two to four is a fixed amount of work
C.
Near cache is enabled with a larger quorum thus performance is improved