Release: 1.4.31 | Release Date: January 20, 2022

# SQLAlchemy 1.4 Documentation

Contents | Index

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### SQLAlchemy ORM

- Object Relational Tutorial (1.x API)
- Mapper Configuration
- Relationship Configuration
- Querying Data, Loading Objects
- Using the Session
- Events and Internals
- ORM Extensions
  - Asynchronous I/O (asyncio)
  - Association Proxy
  - Automap
  - Baked Queries
  - Declarative Extensions
    - Declarative API
    - Basic Use
    - Declarative Inheritance
    - Mixin and Custom Base Classes
    - Configuring Relationships
    - Table Configuration
  - Mypy / Pep-484 Support for ORM Mappings
  - Mutation Tracking
  - Ordering List
  - Horizontal Sharding
  - Hybrid Attributes
  - Indexable
  - Alternate Class Instrumentation
- ORM Examples

# Mixin and Custom Base Classes

See Composing Mapped Hierarchies with Mixins for this section.

Previous: Declarative Inheritance Next: Configuring Relationships
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