redis SUNION command
Translation results：
union
UK[ˈju:niən] US[ˈjunjən]
n. Alliance, alliance; association, union; union, unity
adj. Plural of unions
: unions
redis SUNION commandsyntax
Function: Returns all members of a set, which is the union of all given sets.
Syntax: SUNION key [key ...]
Description: Non-existent keys are considered empty sets.
Available versions: >= 1.0.0
Time complexity: O(N), N is all members of the given set The sum of the quantities.
Returns: The list of union members.
redis SUNION commandexample
redis> SMEMBERS songs 1) "Billie Jean" redis> SMEMBERS my_songs 1) "Believe Me" redis> SUNION songs my_songs 1) "Billie Jean" 2) "Believe Me"