Data types

5 lessons in the Redis course.

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• StringsStore text and binary blobs, and use counters with INCR.
• ListsUse Redis lists as queues or recent-item feeds.
• HashesStore object-like field maps under one key with hashes.
• SetsTrack unique membership with sets and set operations.
• Sorted SetsRank unique members by score for leaderboards and priority lists.