Node.js - MySQL Select query

const mysql = require('mysql');

​

const connection = mysql.createConnection({                 // gets connection with database

    host: 'localhost',  // '127.0.0.1'

    user: 'root',

    password: 'password',

    database: 'my_database',

});

​

connection.connect((error) => {

    if (error) throw error;

    const query = 'SELECT * FROM ??';

    const tableName = ['users'];       // SELECT * FROM `users`

​

    connection.query(query, tableName, (error, result) => { // sends queries

        connection.end();                                   // closes connection

        if (error) throw error;

        console.log(result);

    });

});

[

    { id: 1, name: 'John',  role: 'admin' },     

    { id: 2, name: 'Chris', role: 'moderator' },

    { id: 3, name: 'Kate',  role: 'user' },      

    { id: 4, name: 'Denis', role: 'moderator' } 

]

CREATE TABLE `users` (

    `id` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,

    `name` VARCHAR(100) NOT NULL,

    `role` VARCHAR(15) NOT NULL,

    PRIMARY KEY (`id`)

)

ENGINE=InnoDB;

INSERT INTO `users`

    (`name`, `role`)

VALUES

    ('John', 'admin'),

    ('Chris', 'moderator'),

    ('Kate', 'user'),

    ('Denis', 'moderator');