Oracle 11g设置内存自动管理:

ALTER SYSTEM SET MEMORY_TARGET = 1024M SCOPE=SPFILE;
ALTER SYSTEM SET memory_max_target = 1500M SCOPE=SPFILE;
ALTER SYSTEM SET SGA_TARGET = 0 SCOPE=SPFILE;
ALTER SYSTEM SET SGA_MAX_SIZE=800M SCOPE=SPFILE;
ALTER SYSTEM SET PGA_AGGREGATE_TARGET = 0 SCOPE=SPFILE;
alter system set pre_page_sga=FALSE scope=spfile;