ZCARD

Syntax
ZCARD key
Available since:
Redis Open Source 1.2.0
Time complexity:
O(1)
ACL categories:
@read, @sortedset, @fast,
Compatibility:
Redis Enterprise and Redis Cloud compatibility

Returns the sorted set cardinality (number of elements) of the sorted set stored at key.

Examples

ZADD myzset 1 "one" ZADD myzset 2 "two" ZCARD myzset

Redis Enterprise and Redis Cloud compatibility

Redis
Enterprise		 Redis
Cloud		 Notes
✅ Standard
✅ Active-Active		 ✅ Standard
✅ Active-Active

Return information

Integer reply: the cardinality (number of members) of the sorted set, or 0 if the key doesn't exist.
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