The goal is to select through a very large number of rows that's too large to fetch all at once. Many DBAPIs pre-buffer result sets fully, and otherwise it can be difficult to keep an active cursor ...

It is also possible to filter queries that contain multiple models, including joins: The automatic join is only possible if SQLAlchemy can implictly determine the condition for the join, for example ...

In my last two articles, I looked at the Django Web application framework, written in Python. Django's documentation describes it as an MTV framework, in which the acronym stands for model, template ...