YouTipSets Scard
# Redis Scard Command
[!(#) Redis Sets](#)
The Redis SCARD command returns the number of elements in a set.
### Syntax
The basic syntax of the Redis SCARD command is as follows:
redis 127.0.0.1:6379> SCARD KEY_NAME
### Available Versions
>= 1.0.0
### Return Value
The cardinality of the set. Returns 0 when the set key does not exist.
### Example
redis 127.0.0.1:6379> SADD myset "hello"(integer) 1 redis 127.0.0.1:6379> SADD myset "foo"(integer) 1 redis 127.0.0.1:6379> SADD myset "hello"(integer) 0 redis 127.0.0.1:6379> SCARD myset (integer) 2
[!(#) Redis Sets](#)