Zbiór zapewnia stały czas przetwarzania elementów.
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127.0.0.1:6379> help @set SADD key member [member ...] Add one or more members to a set SCARD key Get the number of members in a set SDIFF key [key ...] Subtract multiple sets SDIFFSTORE destination key [key ...] Subtract multiple sets and store the resulting set in a key SINTER key [key ...] Intersect multiple sets SINTERSTORE destination key [key ...] Intersect multiple sets and store the resulting set in a key SISMEMBER key member Determine if a given value is a member of a set SMEMBERS key Get all the members in a set SMOVE source destination member Move a member from one set to another SPOP key [count] Remove and return one or multiple random members from a set SRANDMEMBER key [count] Get one or multiple random members from a set SREM key member [member ...] Remove one or more members from a set SSCAN key cursor [MATCH pattern] [COUNT count] Incrementally iterate Set elements SUNION key [key ...] Add multiple sets SUNIONSTORE destination key [key ...] Add multiple sets and store the resulting set in a key