Redis - Sorted Sets

1	ZADD key score1 member1 [score2 member2]
Adds one or more members to a sorted set, or updates its score, if it already exists

2	ZCARD key
Gets the number of members in a sorted set

3	ZCOUNT key min max
Counts the members in a sorted set with scores within the given values

4	ZINCRBY key increment member
Increments the score of a member in a sorted set

5	ZINTERSTORE destination numkeys key [key ...]
Intersects multiple sorted sets and stores the resulting sorted set in a new key

6	ZLEXCOUNT key min max
Counts the number of members in a sorted set between a given lexicographical range

7	ZRANGE key start stop [WITHSCORES]
Returns a range of members in a sorted set, by index

8	ZRANGEBYLEX key min max [LIMIT offset count]
Returns a range of members in a sorted set, by lexicographical range

9	ZRANGEBYSCORE key min max [WITHSCORES] [LIMIT]
Returns a range of members in a sorted set, by score

10	ZRANK key member
Determines the index of a member in a sorted set

11	ZREM key member [member ...]
Removes one or more members from a sorted set

12	ZREMRANGEBYLEX key min max
Removes all members in a sorted set between the given lexicographical range

13	ZREMRANGEBYRANK key start stop
Removes all members in a sorted set within the given indexes

14	ZREMRANGEBYSCORE key min max
Removes all members in a sorted set within the given scores

15	ZREVRANGE key start stop [WITHSCORES]
Returns a range of members in a sorted set, by index, with scores ordered from high to low

16	ZREVRANGEBYSCORE key max min [WITHSCORES]
Returns a range of members in a sorted set, by score, with scores ordered from high to low

17	ZREVRANK key member
Determines the index of a member in a sorted set, with scores ordered from high to low

18	ZSCORE key member
Gets the score associated with the given member in a sorted set

19	ZUNIONSTORE destination numkeys key [key ...]
Adds multiple sorted sets and stores the resulting sorted set in a new key

20	ZSCAN key cursor [MATCH pattern] [COUNT count]
Incrementally iterates sorted sets elements and associated scores