When working with databases, it can be difficult and time-consuming to deal with writing SQL queries all the time, especially if you don't deal with databases on a regular basis. Luckily, there are many Python libraries available to help with this problem. One of the most popular is SQAlchemy.

SQLAlchemy is an object-relational mapper (ORM), a utility that eliminates the issue of writing raw SQL queries and replaces it with more Python-centric code. ORM tools convert data between incompatible type systems in OOP languages, because these languages frequently use types that are more complex than low-level, primitive types. In other words, an ORM deals with more complex objects, whereas SQL expects primitives and creates relations between them.

Because SQLAlchemy is a third-party library, the easiest way to install it is through pip. pip is a standard Python package tool, much like apt is the package tool for Debian-based Linux. To install SQLAlchemy, use the following command.

Installing software with pip:

$ pip3 install sqlalchemy

This command can be used to install nearly any Python package. The PyPI website can be used to locate particular packages for installation.