What information and data does Redis usually store in its database?

Redis is an in-memory key-value store that saves various data types for fast application performance. In Redis, the database typically stores:

• Strings — simple values, such as cached query results, user sessions.
• Lists — ordered collections, such as message queues.
• Sets — unordered unique elements, such as tag collections.
• Sorted Sets — sets with priority, such as ratings.
• Hashes — dictionaries with fields and values, such as user profiles.

Redis is often used for storing temporary data, caches, sessions, counters, task queues, and other structures where high access speed and atomic operations are important.