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MongoDB & Node.js: Change Streams & Triggers (Part 4 of 4)

✅ Sign-up for a free cluster at: ✅ Get help on our Community Forums: 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 Lauren's GitHub repo with the code from this video Node.js & MongoDB Starter Template File Other videos in this tutorial series: Part 1: Part 2: Part 3: Connect with Lauren: Twitter:​ TikTok:​ Linkedin:​ MongoDB Community: Subscribe to MongoDB ►►► Connect with MongoDB: Website: Twitter: Facebook: Linkedin: Instagram: Community Forums: TikTok:
NodejsMongoDBChange StreamsJavaScript

May 21, 2021
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