单选题The DBA has chosen to manage SGA and PGA memory separately in an OLTP database because of his unique knowledge of the application. Which of these are good starting points to use when configuring the maximum values for SGA and PGA，based on the amount of memory available on the system？（）A 20% SGA 80% PGAB 25% SGA 75% PGAC 50% SGA 50% PGAD 75% SGA 25% PGAE 80% SGA 20% PGA
单选题
The DBA has chosen to manage SGA and PGA memory separately in an OLTP database because of his unique knowledge of the application. Which of these are good starting points to use when configuring the maximum values for SGA and PGA，based on the amount of memory available on the system？（）
A
20% SGA 80% PGA
B
25% SGA 75% PGA
C
50% SGA 50% PGA
D
75% SGA 25% PGA
E
80% SGA 20% PGA
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