PostgreSQL is a powerful, open-source relational database management system widely used for building scalable web applications. In this article, we’ll walk through the process of installing PostgreSQL on MacOS using Homebrew, a popular package manager for MacOS, and setting up pgAdmin4, a web-based administration tool for PostgreSQL. Prerequisites Before we begin, make sure you have Homebrew installed on your MacOS system. If not, you can install it by running the following command in your terminal:...