REDIS
if value is of type string -> GET <key>
if value is of type hash -> HGETALL <key>
if value is of type lists -> lrange <key> <start> <end>
if value is of type sets -> smembers <key>
if value is of type sorted sets -> ZRANGEBYSCORE <key> <min> <max>
command to check the type of value a key mapping to:
type <key>