Databases · Junior · Question 54 of 75

What is Redis most often used for in web applications?

1The main database for all business data
✓Correct answer: An in-memory key-value store for caching, sessions, rate limits and queues
3A tool for drawing database diagrams

Explanation

Redis keeps data in memory, so reads and writes are very fast. It supports strings, hashes, lists, sets, sorted sets and streams.

Further reading

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