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7/23/2026
# 📓 TanStack Query: Core Concepts & Summary

# 📓 TanStack Query: Core Concepts & Summary

Short summary

A comprehensive tutorial on TanStack Query (formerly React Query) covering core concepts of server state management. It explains the distinction between client and server state, demonstrates useQuery for data fetching and useMutation for updates with cache invalidation, and includes a full React code example showing QueryClient setup, post viewing, and post creation with automatic cache refresh.

  • •TanStack Query manages server state with caching, background updates, and cache invalidation
  • •useQuery handles data fetching; useMutation handles updates with cache invalidation
  • •Full React code example demonstrates QueryClient, fetching, and mutation patterns

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