V$MAP_LIBRARY definition in Oracle Database 11.2
V$MAP_LIBRARY
select
LIB_IDX, -- LIB_IDX NUMBER
LIB_NAME, -- LIB_NAME VARCHAR2(256)
VENDOR_NAME, -- VENDOR_NAME VARCHAR2(64)
PROTOCOL_NUM, -- PROTOCOL_NUM NUMBER
VERSION_NUM, -- VERSION_NUM VARCHAR2(32)
PATH_NAME, -- PATH_NAME VARCHAR2(1024)
MAP_FILE, -- MAP_FILE VARCHAR2(1)
FILE_CFGID, -- FILE_CFGID VARCHAR2(13)
MAP_ELEM, -- MAP_ELEM VARCHAR2(1)
ELEM_CFGID, -- ELEM_CFGID VARCHAR2(13)
MAP_SYNC -- MAP_SYNC VARCHAR2(1)
from
gv$map_library
where
inst_id = USERENV('Instance')