- Usage:
-
ZCARD key
- Complexity:
- O(1)
- Since:
- 1.2.0
Returns the sorted set cardinality (number of elements) of the sorted set stored
at key.
Examples
127.0.0.1:6379> ZADD myzset 1 "one"
(integer) 1
127.0.0.1:6379> ZADD myzset 2 "two"
(integer) 1
127.0.0.1:6379> ZCARD myzset
(integer) 2