newCashBook/node_expores/db/index.js

import mysql from "mysql";
import environment from "../environment/index.js";
const connection = mysql.createConnection({
  ...environment.dbInfo(),
});

connection.connect();

connection.query("SELECT * from book", (err, rows, fields) => {
  console.log(13, err);
  if (err) throw err;

  console.log("The solution is: ", rows);
});

connection.end();