YouTip

# Redis Sunion Command [!(#) Redis Sets](#) The Redis SUNION command returns the union of the given sets. Non-existent set keys are treated as empty sets. ### Syntax The basic syntax of the Redis SUNION command is as follows: redis 127.0.0.1:6379> SUNION KEY KEY1..KEYN ### Available Versions >= 1.0.0 ### Return Value A list of members in the union. ### Example redis> SADD key1 "a"(integer) 1 redis> SADD key1 "b"(integer) 1 redis> SADD key1 "c"(integer) 1 redis> SADD key2 "c"(integer) 1 redis> SADD key2 "d"(integer) 1 redis> SADD key2 "e"(integer) 1 redis> SUNION key1 key2 1) "a"2) "c"3) "b"4) "e"5) "d" redis> [!(#) Redis Sets](#)