The words "Cheap" and "Highly Efficient" are usually mutually exclusive. If you have 3 different RDBMSs like you say, it'll be worth your company spending some money.
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row. First step towards the paradigm shift of writing Set Based code: ________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.