1. A method, implemented at least in part by a computing device, for validating application models within a database environment, the method comprising: by the mobile computing device: receiving an application schema, wherein the application schema defines constraints for validating application models that are associated with the application schema; storing the application schema within the database environment; receiving an application model, wherein the application model defines operation of an application, and wherein the application model is associated with the application schema; validating the application model, wherein the validating comprises performing validation of the application model against the application schema; and upon successful validation of the application model, storing the application model within the database environment.