SQLAlchemy is the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL. It provides a full suite of well known enterprise-level persistence …

Jan 21, 2026 · The dialect is the system SQLAlchemy uses to communicate with various types of DBAPIs and databases. This section describes notes, options, and usage patterns regarding …

A Significant Minor Release, particularly in SQLAlchemy itself, will include: Major new features - new API features and capabilities, as well as structural and performance improvements, are part of every …

Different parts of SQLAlchemy can be used independently of the rest. Elements like connection pooling, SQL statement compilation and transactional services can be used independently of each other, and …

A detailed walkthrough of SQLAlchemy's Session, describing the rationale for its existence, its driving philosophies, and finally a walkthrough of Session lifecycle through the use of an animated diagram.

The main goal of SQLAlchemy is to change the way you think about databases and SQL! Read some key features of SQLAlchemy, as well as what people are saying about SQLAlchemy.

Jan 21, 2026 · The SQLAlchemy SQL Toolkit and Object Relational Mapper is a comprehensive set of tools for working with databases and Python. It has several distinct areas of functionality which can …

class sqlalchemy.orm.Query(entities, session=None) ¶ ORM-level SQL construction object. Query is the source of all SELECT statements generated by the ORM, both those formulated by end-user query …

The SQLAlchemy Object Relational Mapper presents a method of associating user-defined Python classes with database tables, and instances of those classes (objects) with rows in their …

In SQLAlchemy, a column is most often represented by an object called Column, and in all cases a Column is associated with a Table. A collection of Table objects and their associated child objects is …