diff
UK['dɪf] US['dɪf]
abbr.differential differential (of);difference different;differ different;differentiator differentiator
store
UK[stɔ:(r)] US[stɔr, stor]
n. Store; storage; warehouse; large quantity
v. Storage; (in a computer) storage
Third person singular: stores Plural: stores Present participle: storing Past tense: stored Past participle: stored
redis SDIFFSTORE command syntax
Function:The function of this command is similar to SDIFF, but it saves the results to the destination collection instead of simply returning the result set.
Syntax: SDIFFSTORE destination key [key ...]
Description: If the destination collection already exists, it will be overwritten. destination can be the key itself.
Available versions: >= 1.0.0
Time complexity: O(N), N is all members of the given set The sum of the quantities.
Returns: The number of elements in the result set.
redis SDIFFSTORE command example
redis> SMEMBERS joe's_movies 1) "hi, lady" 2) "Fast Five" 3) "2012" redis> SMEMBERS peter's_movies 1) "bet man" 2) "start war" 3) "2012" redis> SDIFFSTORE joe_diff_peter joe's_movies peter's_movies (integer) 2 redis> SMEMBERS joe_diff_peter 1) "hi, lady" 2) "Fast Five"