const pg = require('pg');
const pool = new pg.Pool({
user: 'sysadmin',
host: '127.0.0.1',
database: 'mywebstore',
password: '123',
port: '5432'});
pool.query "CREATE TABLE users(id SERIAL PRIMARY KEY, firstname VARCHAR(40) NOT NULL,
lastName VARCHAR(40) NOT NULL)", (err, res) => {
console.log(err, res);
pool.end();
});