<ul data-eligibleForWebStory="true">PostgreSQL, a widely used database, supports SQL and NoSQL querying.Connecting a database to a web app through an ORM like Sequelize is common.This tutorial focuses on integrating Postgres with Express through Sequelize.It guides on creating a simple task management API.Prerequisites include Node.js, Express knowledge, and a running Postgres instance.Setting up the project involves installing necessary packages and configuring files.Configuring Sequelize includes loading environment variables and creating an instance.Defining a Task model in Sequelize involves specifying attributes and options.Creating the Express server involves setting up middleware and defining API routes.The tutorial concludes with testing the API endpoints and offers further reading resources.