# Add one or more members to a sorted set, or update its score if it already exists
ZADD key [NX|XX] [CH] [INCR] score member [score member ...]

# Get the number of members in a sorted set
ZCARD key

# Count the members in a sorted set with scores within the given values
ZCOUNT key min max

# Increment the score of a member in a sorted set
ZINCRBY key increment member

# Intersect multiple sorted sets and store the resulting sorted set in a new key
ZINTERSTORE destination numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE SUM|MIN|MAX]

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

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

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

# Return a range of members in a sorted set, by lexicographical range, ordered from higher to lower strings.
ZREVRANGEBYLEX key max min [LIMIT offset count]

# Return a range of members in a sorted set, by score
ZRANGEBYSCORE key min max [WITHSCORES] [LIMIT offset count]

# Determine the index of a member in a sorted set
ZRANK key member

# Remove one or more members from a sorted set
ZREM key member [member ...]

# Remove all members in a sorted set between the given lexicographical range
ZREMRANGEBYLEX key min max

# Remove all members in a sorted set within the given indexes
ZREMRANGEBYRANK key start stop

# Remove all members in a sorted set within the given scores
ZREMRANGEBYSCORE key min max

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

# Return a range of members in a sorted set, by score, with scores ordered from high to low
ZREVRANGEBYSCORE key max min [WITHSCORES] [LIMIT offset count]

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

# Get the score associated with the given member in a sorted set
ZSCORE key member

# Add multiple sorted sets and store the resulting sorted set in a new key
ZUNIONSTORE destination numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE SUM|MIN|MAX]

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