SQLAlchemy
JSON →The most widely used Python SQL toolkit and ORM. v2.0 released January 2023 — massive breaking change from v1.x. The entire ORM query API shifted from session.query() to select(). engine.execute() removed. Passing raw strings to execute() removed. Typed mapped_column() replaces Column(). Current version: 2.0.48 (Mar 2026). Flask-SQLAlchemy's Model.query pattern is also legacy in v2.
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Resources
API endpoints
full doc /v1/registry/sqlalchemy
install /v1/registry/sqlalchemy/install
compatibility /v1/registry/sqlalchemy/compatibility