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I have a Set named ‘Projects’ with many key-value pairs and I want to retrieve one of the values by providing its key. I checked the redis doc but I only found how to retrieve the entire Set. Is it possible to just retrieve one value by providing its key?
Your concept of Set does not match Redis’.
All members of a set in Redis are stored in a single key. Therefore you can’t access members individually by a key.
You should use hashes: http://www.redis.io/commands#hash
HSET key field valuedoes what you are looking for.