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Content
- Introduction
- Connecting to MongoDB
- Connecting to MySQ
- Activity
- Quiz
- Updated on 10/09/2024
- 450 Views
Introduction
Node.js can connect to various databases like MongoDB, MySQL, and PostgreSQL to store and manage data.
Connecting to MongoDB
Install MongoDB client:
Connecting to MySQL
Install MySQL client:
Activity
Create a simple Node.js application that connects to either MongoDB or MySQL and performs basic CRUD (Create, Read, Update, Delete) operations.
Quiz
What is the purpose of MongoClient in Node.js?
- a) To connect to MySQL
- b) To interact with MongoDB
- c) To manage files
- d) To handle HTTP requests
How do you install the MySQL client for Node.js?
- a) npm install mysql
- b) npm get mysql
- c) npm add mysql
- d) npm fetch mysql
What method is used to connect to a MongoDB database in Node.js?
- a) connect()
- b) open()
- c) connectToDatabase()
- d) start()
How do you handle connection errors in MySQL with Node.js?
- a) Using try-catch
- b) Using connection.on('error')
- c) Using process.on('error')
- d) Using res.send()
Which package is used to connect to MongoDB from Node.js?
- a) mongodb
- b) mysql
- c) pg
- d) sqlite