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How to make database connectivity in java script?

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JavaScript does not directly connect to a database on its own, but you can interact with a database through a server-side language (like Node.js) using database libraries or APIs. Example: Connecting to a MySQL Database using Node.js: 1. Install MySQL package: npm install mysql 2....
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JavaScript does not directly connect to a database on its own, but you can interact with a database through a server-side language (like Node.js) using database libraries or APIs.

 

Example: Connecting to a MySQL Database using Node.js:

 

1. Install MySQL package:

 

npm install mysql

 

 

2. Code to connect to MySQL:

 

const mysql = require('mysql');

 

// Create a connection

const connection = mysql.createConnection({

  host: 'localhost',

  user: 'root',

  password: 'password',

  database: 'test_db'

});

 

// Connect to the database

connection.connect((err) => {

  if (err) throw err;

  console.log('Connected to the database!');

});

 

// Query the database

connection.query('SELECT * FROM users', (err, results) => {

  if (err) throw err;

  console.log(results);

});

 

// Close the c

onnection

connection.end();

``

 

 

 

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