+## DELMPUB number_of_keys number_of_channel_message_pairs key [ key ... ] channel message [ channel message ... ]
+
+Time complexity: O(N) where N is the number of keys that will be removed + O(N_1+M) [ + O(N_2+M) + ... ] where N_i are the number of clients subscribed to the receiving channel and M is the total number of subscribed patterns (by any client)
+
+Remove the specified keys. If any of the keys was deleted succesfully (delete return value > 0) then post given messages to the corresponding channels.
+