V$MAP_SUBELEMENT

V$MAP_SUBELEMENT contains a list of all subelement mappping structures in the shared memory of the instance.

Column	Datatype	Description
CHILD_IDX	NUMBER	Index in V$MAP_ELEMENT corresponding to child element
PARENT_IDX	NUMBER	Index in V$MAP_ELEMENT corresponding to parent element
SUB_NUM	NUMBER	Subelement number
SUB_SIZE	NUMBER	Subelement size in HKB
ELEM_OFFSET	NUMBER	Offset in HKB on child element
SUB_FLAGS	NUMBER	Subelement flags (currently unused)