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Introduction to Sequelize ORM for Node.js

In general, it mainly depends on the type of database you’re using that will influence your decision on choosing an ORM for your Node.js application.
Introduction to Sequelize ORM for Node.js

Sequelization  is the process of connecting a Node.js application to an Object Relational Mapper for better database synchronization.

An ORM is simply an Object Relational Mapper that helps in data manipulation and querying by the use of objects from the database.

Using an ORM optimizes SQL queries making them easy to reuse and maintain.

Object Relational Mappers (ORM) Node.js approaches

Object Relational Mapping is a simplified way of converting data between relational databases and objects.

So how does ORMs work, well first, we start by choosing the right database you want to use. Then, decide on the Object Relational Mapper that would work efficiently with the database, and install it. Since we’re using Node.js, we’ll consider Sequelize.

Second, we create a database model. This represents the structure of our database.

Database models provide the advantage of scalability, efficiency. The structure defined in the model includes tables, database collection, columns. We then connect our database.

Sequelize has support for PostgreSQL, MySQL, MariaDB, SQLite, and Microsoft SQL Server databases.

What is Sequelize?

Sequelize is an open-source Node.js module that enables JavaScript developers to work with relational databases more easily, including but limited to MySQL, Postgres.

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Introduction to Sequelize ORM for Node.js
In this tutorial, we will introduce Object Relational Mapper in Node.js called Sequelize. We will also learn to sequelize a simple database in Node.js.
https://www.section.io/engineering-education/introduction-to-sequalize-orm-for-nodejs/

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