V$MAP_COMP_LIST definition in Oracle Database 11.2
V$MAP_COMP_LIST
select
ELEM_IDX, -- ELEM_IDX NUMBER
NUM_COMP, -- NUM_COMP NUMBER
COMP1_NAME, -- COMP1_NAME VARCHAR2(256)
COMP1_VAL, -- COMP1_VAL VARCHAR2(256)
COMP2_NAME, -- COMP2_NAME VARCHAR2(256)
COMP2_VAL, -- COMP2_VAL VARCHAR2(256)
COMP3_NAME, -- COMP3_NAME VARCHAR2(256)
COMP3_VAL, -- COMP3_VAL VARCHAR2(256)
COMP4_NAME, -- COMP4_NAME VARCHAR2(256)
COMP4_VAL, -- COMP4_VAL VARCHAR2(256)
COMP5_NAME, -- COMP5_NAME VARCHAR2(256)
COMP5_VAL -- COMP5_VAL VARCHAR2(256)
from
gv$map_comp_list
where
inst_id = USERENV('Instance')