Selected Java Interview Questions

Mar 2, 2021 · Databases

Understanding Redis Data Types, Internal Representation, and Real‑World Use Cases

This article explains that Redis stores all data primarily in memory, describes its seven core data types (String, Hash, List, Set, Sorted Set, Pub/Sub, Transactions), shows how each type is implemented internally, and provides practical examples such as caching, ranking, queues, and real‑time analytics.