SQLAlchemy ORM Version CheckDeclare a MappingCreate an Instance of the Mapped ClassAdding and Updating ObjectsQueryingWorking with Related ObjectsEager LoadingBuilding a Many To Many Relationship Mapper Configuration Mapping Classes with DeclarativeMapping Class Inheritance HierarchiesClass Mapping API Basic Relationship PatternsAdjacency List RelationshipsConfiguring how Relationship JoinsSpecial Relationship Persistence Patterns Querying Data, Loading Objects Loading ColumnsLoading Inheritance HierarchiesQuery API Session BasicsCascadesAdditional Persistence TechniquesSession API ORM EventsORM Exceptions Asynchronous I/O (asyncio)AutomapDeclarative ExtensionsMutation TrackingHorizontal ShardingIndexable ORM Examples Inheritance Mapping Recipes