Master TanStack Query: React Query Deep Dive 🚀

Welcome to Part 2 of the ultimate TanStack Query (React Query) tutorial! If you’ve already covered the basics, this ~90-minute TanStack Query deep dive will teach you intermediate and advanced concepts that will without a doubt TRANSFORM your React skills.

By the end of this video, my hope is that you'll feel confident enough with TanStack Query to start building some SICK apps, and utilizing many of the features that this incredibly useful library provides us with.

Here's what you'll learn:
• How to utilize the TanStack Query caching system
• Fresh Data/Stale Data/Stale time
• Query Invalidations
• Mutations
• Dynamic Options
• Infinite Querying and Pagination
• Data prefetching
• A wide variety of the different options for useQuery()

🧠 This is the React Query masterclass you wish you had sooner — whether you're building scalable production apps or just want to level up your front-end skills.

🧩 Missed Part 1? Watch the beginner-friendly intro here: https://youtu.be/mPaCnwpFvZY

🔔 Don’t forget to like, subscribe, and turn on notifications for more advanced React content!

GitHub: https://github.com/AustinDavisTech/TanStackPlayground

📚 Chapters
00:00 Intro/Summary
1:36 - QueryKey and Caching
3:14 - Fresh vs Stale Data
4:35 - StaleTime
6:41 - Caching Example
9:56 - Query Invalidation
18:18 - Mutations
29:46 - Dynamic Query Options
38:21 - Infinite Querying & Pagination
57:25 - queryFn return
59:39 - Select
1:04:54 - Interval Fetching
1:06:41 - Window Refocus Fetching
1:09:54 - Placeholder/Initial Data
1:19:45 - Data Prefetching

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