Oracle Memory Usage

Oracle 8i EE / Win NT 4.0

can anybody have some idea about the Memory Usage shown in Task Manager infront of Oracle.

i know its the memory currently used by Oracle Instance.

but i want to confirm it from the dictionary tables. the same figure !!!!!

any body

Hi,
query v$db_object_cache for colum namespace,sharable_mem and sum up the value got from sharable_mem.

regards
anandkl