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Redis Data Structures - Databases (NoSQL) | System Design Interview Prep | Repovive

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System Design Interview Prep22 sections · 691 units23h total

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Redis Data Structures

Beyond simple key-value

Redis offers rich data structures beyond key-value:

Strings: Basic values, counters, bitmaps

INCR page_views:home

Lists: Queues, recent items

LPUSH notifications:user123 "new message"

Sets: Unique collections, tags

SADD user:123:interests "coding" "music"

Sorted Sets: Leaderboards, time-series

ZADD leaderboard 1000 "player1"

Hashes: Object storage

HSET user:123 name "John" email "j@x.com"

Choose the right structure. Redis can replace many use cases beyond caching.