SQLAlchemy ORM ORM Quick Start Create an EngineCreate Objects and PersistSELECT with JOINSome Deletes ORM Mapped Class Configuration Mapping Classes with DeclarativeSQL Expressions as Mapped AttributesComposite Column TypesNon-Traditional MappingsClass Mapping API Adjacency List RelationshipsWorking with Large CollectionsSpecial Relationship Persistence PatternsRelationships API Writing SELECT statements for ORM Mapped ClassesORM-Enabled INSERT, UPDATE, and DELETE statementsRelationship Loading TechniquesLegacy Query API Session BasicsCascadesAdditional Persistence TechniquesSession API ORM EventsORM Exceptions Asynchronous I/O (asyncio)AutomapDeclarative ExtensionsMutation TrackingHorizontal ShardingIndexable ORM Examples Inheritance Mapping Recipes