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.. _session_toplevel:
=================
Using the Session
=================
.. module:: sqlalchemy.orm.session
The declarative base and ORM mapping functions described at
:ref:`mapper_config_toplevel` are the primary configurational interface for the
ORM. Once mappings are configured, the primary usage interface for
persistence operations is the
:class:`.Session`.
.. toctree::
:maxdepth: 3
session_basics
session_state_management
cascades
session_transaction
persistence_techniques
contextual
session_events
session_api
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