const Sequelize = require('sequelize');
const sequelize = new Sequelize('database', 'username', 'password');
​
const User = sequelize.define('User', {
  firstName: Sequelize.STRING,
  lastName: Sequelize.STRING
});
​
const main = async () => {
​
    await sequelize.sync();
    
    const userModel = await User.create({firstName: 'Foo', lastName: 'BAR'});
​
    const user = user.get({plain: true})
​
};
​
main();

const mongoose = require('mongoose');
​
mongoose.connect('mongodb://localhost/test');
​
const User = mongoose.model('User', {
    firstName: String,
    lastName: String
});
​
const foo = new User({
    firstName: 'Foo',
    lastName: 'BAR'
});
​
await foo.save();