$ npm install mysql2-promise --save

var db = require('mysql2-promise')();

db.configure({
	"host": "localhost",
	"user": "foo",
	"password": "bar",
	"database": "db"
});

db.query('UPDATE foo SET key = ?', ['value']).then(function () {
	return db.query('SELECT * FROM foo');
}).spread(function (rows) {
	console.log('Look at all the foo', rows);
});

//using multiple databases, giving it a name 'second-db' so it can be retrieved inside other modules/files.
var db2 = require('mysql-promise')('second-db');

db2.configure({
	"host": "localhost",
	"user": "foo",
	"password": "bar",
	"database": "another-db"
});

db2.query('SELECT * FROM users').spread(function (users) {
	console.log('Hello users', users);
});

var db = require('mysql2-promise')();

db.configure({
	"host": "localhost",
	"user": "foo",
	"password": "bar",
	"database": "db"
});

db.execute('SELECT * FROM users WHERE LIMIT = ?', [10]).spread(function (users) {
	console.log('Hello users', users);
});

var db = require('mysql2-promise')();

db.configure({
	"host": "localhost",
	"user": "foo",
	"password": "bar",
	"database": "db"
});

db.pool.on('connection', function (poolConnection) {
    poolConnection.config.namedPlaceholders = true;
});

db.execute('SELECT * FROM users WHERE LIMIT = :limit', {limit: 10}).spread(function (users) {
	console.log('Hello users', users);
});