Redis Scard command
Redis Scard command returns the number of elements in the collection.
grammar
redis Scard basic command syntax is as follows:
redis 127.0.0.1:6379> SCARD KEY_NAME
Available versions
> = 1.0.0
return value
The number of collections. When the set key does not exist, 0 is returned.
Examples
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