Release: 2.1.0b2 | Release Date: April 16, 2026

SQLAlchemy 2.1 Documentation

SQLAlchemy 2.1 Documentation

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SQLAlchemy ORM

ORM Quick Start
ORM Mapped Class Configuration
Relationship Configuration
ORM Querying Guide
Using the Session
Events and Internals
ORM Extensions
- Asynchronous I/O (asyncio)
- Association Proxy
- Automap
- Baked Queries
- Declarative Extensions
- Mutation Tracking
- Ordering List
- Horizontal Sharding¶
  - API Documentation
- Hybrid Attributes
- Indexable
- Alternate Class Instrumentation
Core and ORM Examples

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SQLAlchemy ORM

ORM Extensions

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Horizontal Sharding
- API Documentation

Horizontal Sharding¶

API Documentation¶

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