https://ai-blog.noorshomelab.dev/tags/data-mutations/Recent content in Data Mutations on AI VOIDHugoenWed, 07 Jan 2026 00:00:00 +0000https://ai-blog.noorshomelab.dev/tanstack-mastery-2026/05-query-advanced/Wed, 07 Jan 2026 00:00:00 +0000https://ai-blog.noorshomelab.dev/tanstack-mastery-2026/05-query-advanced/<h2 id="chapter-5-advanced-tanstack-query-mutations-invalidations-and-optimistic-updates">Chapter 5: Advanced TanStack Query: Mutations, Invalidations, and Optimistic Updates</h2> <p>Welcome back, intrepid learner! In Chapter 4, we became adept at fetching server data using <code>useQuery</code> and understood how TanStack Query automatically caches and keeps our UI fresh. But what happens when our application isn&rsquo;t just <em>reading</em> data, but <em>changing</em> it? Think about creating a new post, updating a user&rsquo;s profile, or deleting an item from a list. These actions are called &ldquo;mutations&rdquo; – they modify data on the server.</p>