Step 2: Database Integration
=============================

This step adds SQLAlchemy ORM integration for persistent data storage.

Overview
--------

Learn how to integrate LumiX with SQLAlchemy for type-safe database operations.

For detailed documentation, see the README in the tutorial directory.

Key Topics
----------

- SQLAlchemy declarative models
- Loading LumiX models with from_model()
- Bill of Materials (BOM) structure
- Solution persistence
- Cached helper functions

Quick Start
-----------

.. code-block:: bash

   cd tutorials/production_planning/step2_database_integration
   python sample_data.py
   python production_db.py

See Also
--------

- :doc:`step1_basic` - Previous step
- :doc:`step3_goals` - Next step: Goal programming
- :doc:`index` - Production planning tutorial overview