Added LastUpdate column, to make it easier for ReactiveData databases to create PHP triggers

central_db.sql.php

@@ -5,10 +5,10 @@ CREATE TABLE mDNS (
  Type ENUM('A','PTR','SRV') NOT NULL,
  Name VARCHAR(255),
  Data VARCHAR(1024),
+ LastUpdated TIMESTAMP on update CURRENT_TIMESTAMP NOT NULL,
  PRIMARY KEY (Host,Type,Name)
 );
 
-
 <?php
 $hosts = [
     ["hostname" => "hostname01", "password" => "password01"],