SADD
Add members to a set
SCARD
Get set cardinality
SDIFF
Get set difference
SDIFFSTORE
Store set difference
SINTER
Get set intersection
SINTERCARD
Get intersection cardinality
SINTERSTORE
Store set intersection
SISMEMBER
Check if member exists in set
SMEMBERS
Get all set members
SMISMEMBER
Check membership of several values
SMOVE
Move member between sets
SPOP
Remove and return random members
SRANDMEMBER
Get random members
SREM
Remove members from a set
SSCAN
Incrementally iterate set members
SUNION
Get set union
SUNIONSTORE
Store set union