Pls Help me to convert this DB2 query to Oracle

select * from hc0mstr a inner join (select distinct(rl0to#),rl0fr#
from rl0reln where rl0rltyp in('BILLNG','SERVCE'')
and rl0totyp in('PHY','MBX')) as b on a.hc0hc#=b.rl0fr# left outer join lc0mstr c on
c.lc0lc#=b.rl0to#


I am using inner join first then a left outerjoin

Thanx

arshad