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MongoDB & Node.js: Change Streams & Triggers (Part 4 of 4)
✅ Sign-up for a free cluster at: https://mdb.link/free-9LA7_CSyZb8 ✅ Get help on our Community Forums: https://mdb.link/community-9LA7_CSyZb8 When you need to react immediately to changes in your MongoDB database, change streams and triggers can help you make that happen. In part four of this quick start tutorial for beginners, Lauren Schaefer explains three ways to monitor change streams in a Node.js script: using EventEmitter's on(), using ChangeStream's hasNext(), and using Node's Stream API. She also explains how to create triggers in MongoDB Atlas. Chapters: 00:00 Intro 00:57 Change Streams 03:52 Monitoring Change Streams Using EventEmitter's on() 12:21 Monitoring Change Streams Using ChangStream's hasNext() 16:37 Monitoring Change Streams Using the Stream API 19:57 Resuming Change Streams 21:43 Triggers 27:16 Wrapping Up Links Lauren mentions in the video: Lauren's blog post: Change Streams & Triggers with Node.js Tutorial https://developer.mongodb.com/quickstart/nodejs-change-streams-triggers Lauren's GitHub repo with the code from this video https://github.com/mongodb-developer/nodejs-quickstart/blob/master/changeStreams.js Node.js & MongoDB Starter Template File https://github.com/mongodb-developer/nodejs-quickstart/blob/master/template.js Other videos in this tutorial series: Part 1: https://youtu.be/fbYExfeFsI0 Part 2: https://youtu.be/iz37fDe1XoM Part 3: https://youtu.be/bdS03tgD2QQ Connect with Lauren: Twitter: https://twitter.com/lauren_schaefer TikTok: https://tiktok.com/@lauren_schaefer Linkedin: https://www.linkedin.com/in/laurenjan... MongoDB Community: https://developer.mongodb.com/community/forums/t/hey-friends-im-lauren/168/ Subscribe to MongoDB ►►► https://bit.ly/3bpg1Z1 Connect with MongoDB: Website: https://bit.ly/2LjtNBZ Twitter: https://bit.ly/3fH87gR Facebook: https://bit.ly/3fEaIsd Linkedin: https://bit.ly/2SY9w90 Instagram: https://bit.ly/3bn9bDv Community Forums: https://bit.ly/2I8VCi5 TikTok: https://bit.ly/3fHoqdJMay 21, 2021 | 29 min
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Tutorial
Create a Data Pipeline for MongoDB Change Stream Using Pub/Sub BigQuery Subscription
Learn how to set up a data pipeline from your MongoDB database to BigQuery using change streams and Google Cloud Pub/Sub.
Apr 02, 2024
Venkatesh Shanbhag (+1)
Quickstart
Java - Change Streams
Learn how to use the Change Streams using the MongoDB Java Driver.
Mar 01, 2024
Maxime Beugnet
Tutorial
Using MongoDB Atlas Triggers to Summarize Airbnb Reviews with OpenAI
Uncover the synergy of MongoDB Atlas triggers and OpenAI models in real-time analysis and summarization of Airbnb reviews._Spot_BS_Lavender.png&w=3840&q=75)
Oct 31, 2023
Pavel Duchovny
Quickstart
Change Streams & Triggers with Node.js Tutorial
Discover how to react to changes in your MongoDB database using change streams implemented in Node.js and Atlas triggers.
Aug 24, 2023
Lauren Schaefer
Tutorial
Adding Real-Time Notifications to Ghost CMS Using MongoDB and Server-Sent Events
Learn how to work with MongoDB change streams and develop a server-sent event application that integrates with Ghost CMS.
Aug 14, 2023
TQ
Tobias Quante
Article
Using MongoDB Change Streams in Java
Change streams are an API that allows the user to subscribe to their application to any change in collection, database, or even on the entire deployment. There is no middleware or data polling action to be initiated by the user to leverage this event-driven, real-time data capture feature. Learn how to use change streams with Java in this article.
Jun 09, 2023
Rajesh S Nair
Tutorial
Real-Time Location Tracking with Change Streams and Socket.io
In this article, you will learn how to use MongoDB Change Streams and Socket.io to build a real-time location tracking application. To demonstrate this, we will build a local package delivery service.
Jun 09, 2023
Ashiq Sultan
Quickstart
Working with Change Streams from Your Swift Application
Change streams let you run your own logic when data changes in your MongoDB collections. This post shows how to consume MongoDB change stream events from your Swift app.
Jun 09, 2023
Andrew Morgan
Tutorial
Real Time Data in a React JavaScript Front-End with Change Streams
In many applications nowadays, you want data to be displayed in real-time. Whether an IoT sensor reporting a value, a stock value that you want to track, or a chat application, you will want the data to automatically update your UI. This is possible using MongoDB Change Streams with the Realm Web SDK.
Jun 09, 2023
Joel Lord
