I am creating a react app that connects to a mysql database, but for some reason it is not making the connection My code is shown below: const path = require("path"); const express = require("express"); const bodyParser = require("body-parser"); const errorController = require("./controllers/error"); //const db = require("./util/database"); const app = express(); var mysql = require("mysql"); var con = mysql.createConnection({   host: "localhost",   user: "root",   password: "COP4710", }); con.connect(function (err) {   if (err) throw err;   console.log("Connected!"); }); app.use(bodyParser.urlencoded({ extended: false })); app.use(express.static(path.join(__dirname, "public"))); app.use(errorController.get404); app.listen(3000);

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Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.