- Redis Basics
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- Redis Useful Resources
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Redis - Set Scard Command
Redis SCARD command is used to return the number of elements stored in a set.
Return Value
Integer reply, the cardinality (number of elements) of the set, or 0 if the key does not exist.
Syntax
Following is the basic syntax of Redis SCARD command.
redis 127.0.0.1:6379> SCARD KEY_NAME
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.htm
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