SQLALCHEMY'S PHILOSOPHY
From the SQLAlchemy Website:
SQL databases behave less like object collections the more size and performance start to matter; object collections behave less like tables and rows the more abstraction starts to matter. SQLAlchemy aims to accommodate both of these principl...
Flask-SQLAlchemy adds some additional functionality such as automatic destruction of the session assuming some things for you which are very often not what you need.
Flask-SQLAlchemy is a Flask extension that adds support for the popular Python object relational mapper(ORM) SQLAlchemy to Flask applications. It aims to simplify SQLAlchemy with Flask by providing some default implementations to common tasks.
