https://www.digitalocean.com/community/cheatsheets/how-to-manage-redis-databases-and-keys
How To Manage Redis Databases and Keys | DigitalOcean
Redis is a key-value data store, which is a type of NoSQL database where keys serve as unique identifiers for their associated values. Any given Redis instance includes a number of databases, each of which can hold many different keys of a variety of
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