SCARD

Syntax
SCARD key
Available since:
1.0.0
Time complexity:
O(1)
ACL categories:
@read, @set, @fast,

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

Examples

redis> SADD myset "Hello"
(integer) 1
redis> SADD myset "World"
(integer) 0
redis> SCARD myset
1) "Hello"
2) "there"
3) (nil)
redis>

RESP2 Reply

Integer reply: the cardinality (number of elements) of the set, or 0 if the key does not exist.

RESP3 Reply

Integer reply: The cardinality (number of elements) of the set, or 0 if the key does not exist.
RATE THIS PAGE
Back to top ↑