4 database abstraction layers for Python

Database abstraction layers for Python includes:

1. DB-API
   

   A standard python api and each db creates their own module that uses it.

2. CouchDB Python
   

   Python library for working with CouchDB

3. SQLObject
   

   Object Relational Manager for providing an object interface to your database, with tables as classes, rows as instances, and columns as attributes.

4. SQLAlchemy
   

   Enables classes to be mapped against the database in more than one way.