How to use Sequelize to interact with PostgreSQL

How to use Sequelize to interact with PostgreSQL

In this post I’m going to explore how to use Sequelize to work with a PostgreSQL database. When working with databases you can choose to use the primitives offered by the database, or use a library that builds on top and abstract the tiny details for you. Sequelize is one of those libraries, and it’s a very popular Node.js wrapper for PostgreSQL, MySQL and other databases. In this post I’m going to explore how to use Sequelize to work with a PostgreSQL database. Install and configure Sequelize Under the hood, Sequelize uses the pg library to connect to PostgreSQL, so when we install the sequelize npm package, we also need to install pg:

When working with databases you can choose to use the primitives offered by the database, or use a library that builds on top and abstract the tiny details for you.

Sequelize is one of those libraries, and it’s a very popular Node.js wrapper for PostgreSQL, MySQL and other databases.

In this post I’m going to explore how to use Sequelize to work with a PostgreSQL database.

Install and configure Sequelize

Under the hood, Sequelize uses the pg library to connect to PostgreSQL, so when we install the sequelize npm package, we also need to install pg:

npm install pg sequelize

Tip: don’t forget to first run npm init -y if the project is brand new and you don’t have a package.json file already.

postgresql database

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