(sql-table-layout-ref)=
# Database Protocols

Opt-in protocols that `BaseDataSource` subclasses can implement to customise
how they are persisted by the database backend. See
{ref}`Database persistence of custom data sources <fundamentals-data-container-ref>`
for usage guidance and a worked example.

```{eval-rst}
.. automodule:: algomancy_data.database.protocols
   :members:
   :undoc-members:
   :show-inheritance:
```