Introducing the Model and SQLAlchemy

Abstract

When people think about a model layer, they often immediately think of using a relational database management system (RDBMS) such as PostgreSQL or MySQL. In fact, there are many different ways to store your data in a Pylons application, so there are many different ways to model that data. It is important to decide on the correct approach for your particular needs. Some approaches might include these:Storing data in files in the filesystemStoring data via a web service such as Amazon S3Storing data in an object databaseStoring data in an XML databaseStoring data in an RDBMS