select
  ELEM_NAME,                               -- ELEM_NAME VARCHAR2(256)
  ELEM_IDX,                                -- ELEM_IDX NUMBER
  ELEM_CFGID,                              -- ELEM_CFGID VARCHAR2(256)
  ELEM_TYPE,                               -- ELEM_TYPE VARCHAR2(12)
  ELEM_SIZE,                               -- ELEM_SIZE NUMBER
  ELEM_NSUBELEM,                           -- ELEM_NSUBELEM NUMBER
  ELEM_DESCR,                              -- ELEM_DESCR VARCHAR2(256)
  STRIPE_SIZE,                             -- STRIPE_SIZE NUMBER
  LIB_IDX                                  -- LIB_IDX NUMBER
from
  gv$map_element
where
  inst_id = USERENV('Instance')