Oracleで制約とキーの関連性を見るSQL

select c.table_name, c.constraint_name,
         c.constraint_type, c.search_condition,
         i.index_name, column_name, descend
from user_constraints c,
       user_indexes i,
       user_ind_columns ic
where c.index_name = i.INDEX_NAME (+)
and  c.index_name = ic.INDEX_NAME (+)
order by c.table_name, i.index_name, ic.column_position