scard
SCARD
SCARD key
Returns the set cardinality (number of elements) of the set stored at key.
Return value
Integer reply: the cardinality (number of elements) of the set, or 0 if key does not exist.
Examples
redis> SADD myset "Hello"
(integer) 1 redis> SADD myset "World" (integer) 1 redis> SCARD myset (integer) 2
© 2009–2017 Salvatore Sanfilippo
Licensed under the Creative Commons Attribution-ShareAlike License 4.0.
https://redis.io/commands/scard
