scard.3valkey - Man Page
Returns the number of members in a set.
Synopsis
SCARD key
Description
Returns the set cardinality (number of elements) of the set stored at key.
Reply
Resp2
valkey-protocol(7) Integer reply: the cardinality (number of elements) of the set, or 0 if the key does not exist.
Resp3
valkey-protocol(7) Integer reply: The cardinality (number of elements) of the set, or 0 if the key does not exist.
Complexity
O(1)
Acl Categories
@fast @read @set
History
- Available since: 1.0.0
Examples
127.0.0.1:6379> SADD myset "Hello" (integer) 1 127.0.0.1:6379> SADD myset "World" (integer) 1 127.0.0.1:6379> SCARD myset (integer) 2
See Also
sadd(3valkey), sdiff(3valkey), sdiffstore(3valkey), sinter(3valkey), sintercard(3valkey), sinterstore(3valkey), sismember(3valkey), smembers(3valkey), smismember(3valkey), smove(3valkey), spop(3valkey), srandmember(3valkey), srem(3valkey), sscan(3valkey), sunion(3valkey), sunionstore(3valkey)
Info
2024-09-23 8.0.0 Valkey Command Manual