1)alter table fisher cache; 2)alter table fisher storage(buffer_pool keep); --取消缓存 1)alter table fisher nocache; 2)alter table fisher storage(buffer_pool default); select table_name,OWNER,cache,buffer_pool from dba_tables where table_name='FISHER'; --查看是否缓存 select * from dba_segments where segment_name='FISHER' ; --查看表大小
alter system set db_keep_cache_size=50M scope=both sid=‘*';