# sequelize > Promise-based Node.js ORM for Postgres, MySQL, MariaDB, SQLite and Microsoft SQL Server. > More information: . - Create a model with 3 fields and a migration file: `sequelize model:generate --name {{table_name}} --attributes {{field1:integer,field2:string,field3:boolean}}` - Run the migration file: `sequelize db:migrate` - Revert all migrations: `sequelize db:migrate:undo:all` - Create a seed file with the specified name to populate the database: `sequelize seed:generate --name {{seed_filename}}` - Populate database using all seed files: `sequelize db:seed:all`