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Redis · Command

SCARD

SCARD returns the number of members in a Redis set. It returns 0 when the key does not exist.

Last updated

Since
1.0.0

Syntax

SCARD key

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • SADD
  • SMEMBERS
  • SISMEMBER
  • SCARD

Source: SCARD | Docs. Checked 2026-11-03.