Redux & Redux Toolkit
/Beginner
Queries
Definition
Endpoints defined in RTK Query that are used strictly for READ operations (fetching data from the server). Typically maps to a `GET` request.
Explain Like I'm New
A Query is when you ask the server for information without changing anything. 'Give me the user profile.' RTK Query aggressively caches Queries to save bandwidth.
Real World Example
Fetching a list of blog posts to display on the homepage. You define a `getPosts: builder.query({...})` endpoint.
Common Use Cases
- •Fetching data
- •GET requests
Interactive Example
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Interview Questions
basic
- What type of HTTP request is used by default for a Query?
intermediate
- What happens if a component unmounts while a Query is still fetching?