A high level view and getting set up.
Here, the Object Relational Mapper is introduced and fully described. If you want to work with higher-level SQL which is constructed automatically for you, as well as automated persistence of Python objects, proceed first to the tutorial.
Read this first: Object Relational Tutorial
Extending the ORM: ORM Events and Internals
Other: Introduction to Examples
The breadth of SQLAlchemy’s SQL rendering engine, DBAPI integration, transaction integration, and schema description services are documented here. In contrast to the ORM’s domain-centric mode of usage, the SQL Expression Language provides a schema-centric usage paradigm.
Read this first: SQL Expression Language Tutorial
All the Built In SQL: SQL Expression API