--查看診斷位置信息
select * from v$diag_info;
--查看sga中內存分配信息
select * from sys.x$ksmfs;
--查看內存塊還剩餘多少
select pool,name,bytes/1024/1024 MB from v$sgastat where name='free memory';
--查看共享池的使用情況比率
select to_number(v$parameter.value) value,v$sgastat.bytes/1024/1024 "v$sgastat MB",
(v$sgastat.bytes/v$parameter.value)*100 "percent free"
from v$sgastat,v$parameter where v$sgastat.name='free memory' and v$parameter.name='shared_pool_size'
and v$sgastat.pool='shared pool';
--查看SGA內各個易失存儲器塊的情況
select * from v$sga_dynamic_components
--查詢動態調整SGA內存塊還有多少可使用空間
select * from v$sga_dynamic_free_memory;
--SGA信息
select * from v$sgainfo
--可根據此視圖調整SGA大小
select * from v$sga_target_advice