sequelize:tldr:3b93c

The command sequelize db:migrate is a command used in Sequelize, which is an Object-Relational Mapping (ORM) tool for Node.js.

Sequelize allows you to define database models using JavaScript objects and provides various methods to interact with the database.

The db:migrate command is used to migrate (apply) the defined changes in your database models to the actual database schema.

When you make changes to your models, such as adding a new table, modifying an existing table, or adding/removing columns in a table, you need to run the migration command to update the database schema to reflect these changes.

The migration command reads the migration files that you have defined in your Sequelize project and applies the necessary changes to the database. These migration files contain instructions on how to modify the database schema for each change you made in your models.

Running sequelize db:migrate will execute these migration files in a sequential order, applying the changes step by step until the database schema matches the current state of your models.

By using migrations, you can easily manage and version your database schema changes, making it easier to collaborate with other developers and maintain a consistent database structure across different environments.