/Javascript/Node.js/Nodejs mysql connection

Nodejs mysql connection

How to manage a db connection in javascript

//put these lines in a seperate file
const mysql = require('mysql2');

const connection = mysql.createPool({
    host: "localhost",
    user: "",
    password: "",
    database: ""
    // here you can set connection limits and so on
});

module.exports = connection;

//put these on destination page
const connection = require('../util/connection');

async function getAll() {
    const sql = "SELECT * FROM tableName";
    const [rows] = await connection.promise().query(sql);
    return rows;
} 
exports.getAll = getAll;

Source: stackoverflow.com

Nodejs mysql connection

let connection = mysql.createConnection({
    host: 'localhost',
    user: 'root',
    password: '',
    database: 'todoapp'
});
Code language: JavaScript (javascript)

Source: mysqltutorial.org

Nodejs mysql connection

connection.connect(function(err) {
  if (err) {
    return console.error('error: ' + err.message);
  }

  console.log('Connected to the MySQL server.');
});
Code language: JavaScript (javascript)

Source: mysqltutorial.org

Similar codes

1 vote307 views1 answer
Has property node js
Javascript Node.js
6 votes339 views1 answer
Node server start using pm2
Javascript Node.js
1 vote317 views2 answers
Node js split
Javascript Node.js
0 vote352 views1 answer
Postmark with nodejs
Javascript Node.js
0 vote309 views1 answer
Load Balance 4 instances of api.js node js
Javascript Node.js
1 vote266 views1 answer
Nodejs powershell process env
Javascript Node.js
0 vote366 views1 answer
Node js require file in parent directory
Javascript Node.js
2 votes341 views1 answer
Node readFileSync json
Javascript Node.js
0 vote308 views1 answer
Node js hello word
Javascript Node.js
-1 vote350 views1 answer
Angular 11 support versions nodejs
Javascript Node.js