Jeff Moden (12/31/2013)
Lynn Pettis (12/31/2013)
Assuming this is still true: billed_date datetimeright('0' + cast(month(billed_date) as varchar(2)),2) + '-' + cast(year(billed_date) as varchar(4))
... or...
SELECT RIGHT(CONVERT(CHAR(10),GETDATE(),105),7)
To the OP: And you can learn about COVERT and the different format codes it accepts by reading Books Online as well.
Remember, Books Online can be your friend.