SQLAlchemy is usually referred to as an Object Relational Mapper (ORM), although it is much more full featured than any of the other Python ORMs .
SQLAlchemy was created by Michael Bayer

Instead of hiding away SQL and object relational details behind a wall of automation, all processes are fully exposed within a series of composable, transparent tools. The library takes on the job of automating redundant tasks while the developer remains in control of how the database is organized and how SQL is constructed.

The main goal of SQLAlchemy is to change the way you think about databases and SQL!

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