SQLAlchemy is renowned for its object-relational mapping (ORM) based on a design pattern, where Python classes are mapped to database tables. In practice, this means that an extra abstraction layer is added, so we use the SQLAlchemy API to talk to the database instead of issuing SQL commands. SQLAlchemy takes care of the details behind the scene. The drawback is that you have to learn the API and may have to pay a small performance penalty. In this section, you will learn how to set up SQLAlchemy, and populate and query databases with SQLAlchemy.

Installing and setting up SQLAlchemy

The following is the command to install SQLAlchemy:

$ pip install sqlalchemy

The latest version of SQLAlchemy at the time of writing was 0.9.6. The download ...

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