.. _topics-db-index:

Models and databases
====================

A model is the single, definitive source of data about your data. It contains
the essential fields and behaviors of the data you're storing. Generally, each
model maps to a single database table.

.. toctree::
   :maxdepth: 1

   models
   queries
   aggregation
   managers
   sql
   transactions
   multi-db
   optimization
