Unless your application is tied to Oracle specific extensions you should think about using postgreSQL for your dev and testing environments. They both hew prett

Unless your application is tied to Oracle specific extensions you should think about using postgreSQL for your dev and testing environments. They both hew pretty closely to the sql standard; and there are versions ( EnterpriseDB ) that have an explicit Oracle compatibility layer that works. And I bet it feels really good to look the Oracle salesperson in the eye and say, "We've been doing most of our dev work on Postgres lately."