I have been porting oracle selects, and I have been running across a lot of queries like so:
SELECT e.last_name, d.department_name FROM employees e,
For Oracle 10g
http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/queries006.htm#i2054012
You can find the other versions of oracle manuals online if your version is different, though the join syntax is probably not different.