How to connect Node.js 20 to Oracle Database 19c EE using node-oracledb

If you are looking to connect Node.js 20 to an Oracle Database 19c EE, you can use the node-oracledb module. This module allows you to easily connect to and interact with an Oracle database from your Node.js application.

Here are the steps to connect Node.js 20 to Oracle Database 19c EE using node-oracledb:

1. Install node-oracledb: First, you will need to install the node-oracledb module using npm. You can do this by running the following command in your terminal or command prompt:

npm install oracledb

2. Set up your Oracle Database: Make sure you have an Oracle Database 19c EE instance set up and running. You will need the connection details for this database in order to connect from your Node.js application.
3. Connect to the Oracle Database: In your Node.js application, you can use the following code to connect to the Oracle Database using node-oracledb:

const oracledb = require('oracledb');

async function connectToOracle() {
  try {
    const connection = await oracledb.getConnection({
      user: 'yourusername',
      password: 'yourpassword',
      connectString: 'yourconnectionstring'
    });
    console.log('Connected to Oracle Database');
    // Use the connection to query or execute commands
  } catch (error) {
    console.error('Error connecting to Oracle Database:', error);
  }
}

connectToOracle();

In the code above, replace yourusername, yourpassword, and yourconnectionstring with the appropriate credentials and connection details for your Oracle Database.

4. Interact with the Oracle Database: Once you have successfully connected to the Oracle Database, you can use the connection object to execute queries, insert data, update records, and perform other database operations from your Node.js application.

By following these steps, you can easily connect Node.js 20 to Oracle Database 19c EE using node-oracledb and start building powerful applications that interact with your Oracle database.