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Sequelize is a promise-based ORM (Object-Relational Mapping) for Node.js that supports multiple SQL dialects like MySQL, PostgreSQL, SQLite, and MSSQL. It helps you interact with your database using JavaScript objects instead of raw SQL queries. This...

Sometimes you just want to update a single table after adding a new field — without touching the rest of your database. Here’s how to do that in Sequelize! The Problem You're using Sequelize ORM in your Node.js app, and you’ve added a new column (s...

What is DataLoader? DataLoader is a generic utility developed by Facebook for batching and caching database queries efficiently in GraphQL applications. It helps in reducing redundant queries and solving the N+1 query problem by grouping multiple que...

I've been developing web apps since the 90's (think Perl and cgi-bin). Since then I must have gone through a hundred different frameworks, platforms and libraries. But now I think I've found the perfect stack for Next.js development. Let's take a loo...

En este post aprenderemos cómo establecer la conexión a nuestra base de datos desde un proyecto en Node.js utilizando ORM (Object-Relational Mapping). Los ORM facilitan no solo la conexión con la base de datos, sino que también simplifican la interac...
