Completed and enhanced links to database-specific notes from the install docs.

* If you're using PostgreSQL, you'll need the psycopg_ package. Django supports

  both version 1 and 2. (When you configure Django's database layer, specify

  either ``postgresql`` [for version 1] or ``postgresql_psycopg2`` [for version 2].)

  You might want to refer to our :ref:`PostgreSQL notes <postgresql-notes>` for

  further technical details specific to this database.

  If you're on Windows, check out the unofficial `compiled Windows version`_.

* If you're using MySQL, you'll need MySQLdb_, version 1.2.1p2 or higher. You

  will also want to read the database-specific notes for the :doc:`MySQL

  backend </ref/databases>`.

  will also want to read the database-specific :ref:`notes for the MySQL

  backend <mysql-notes>`.

* If you're using SQLite and Python 2.4, you'll need pysqlite_. Use version

  2.0.3 or higher. Python 2.5 ships with an SQLite wrapper in the standard

  library, so you don't need to install anything extra in that case. Please

  read the SQLite backend :ref:`notes<sqlite-notes>`.

  read the :ref:`SQLite backend notes <sqlite-notes>`.

* If you're using Oracle, you'll need a copy of cx_Oracle_, but please

  read the database-specific notes for the

  :ref:`Oracle backend <oracle-notes>` for important information

  regarding supported versions of both Oracle and ``cx_Oracle``.

  read the database-specific :ref:`notes for the Oracle backend <oracle-notes>`

  for important information regarding supported versions of both Oracle and

  ``cx_Oracle``.

* If you're using an unofficial 3rd party backend, please consult the

  documentation provided for any additional requirements.