SCARD

Attention

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Synopsis

SCARD key
This command finds the cardinality of the set that is associated with the given key. Cardinality is the number of elements in a set.

If the `key` does not exist, 0 is returned.

If the `key` is associated with a non-set value, an error is raised.

Return value

Returns the cardinality of the set.

Examples

You can do this as shown below.

$ SADD yuga_world "America"

$ SADD yuga_world "Asia"

$ SCARD yuga_world

SCARD

Synopsis

Return value

Examples

See also