zcard.3valkey - Man Page

ZCARD key

Returns the sorted set cardinality (number of elements) of the sorted set stored at key.

valkey-protocol(7) Integer reply: the cardinality (number of members) of the sorted set, or 0 if the key doesn’t exist.

O(1)

@fast @read @sortedset

• Available since: 1.2.0

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

bzmpop(3valkey), bzpopmax(3valkey), bzpopmin(3valkey), zadd(3valkey), zcount(3valkey), zdiff(3valkey), zdiffstore(3valkey), zincrby(3valkey), zinter(3valkey), zintercard(3valkey), zinterstore(3valkey), zlexcount(3valkey), zmpop(3valkey), zmscore(3valkey), zpopmax(3valkey), zpopmin(3valkey), zrandmember(3valkey), zrange(3valkey), zrangestore(3valkey), zrank(3valkey), zrem(3valkey), zremrangebylex(3valkey), zremrangebyrank(3valkey), zremrangebyscore(3valkey), zrevrank(3valkey), zscan(3valkey), zscore(3valkey), zunion(3valkey), zunionstore(3valkey)