Is there a way to 'listen' for a database event and update a page in real time?

Is there a way to 'listen' for a database event and update a page in real time?

mysql ajax coldfusion real-time

ajax

Socket.io for checking updates from database

mysql ajax node.js socket.io real-time

ajax

How to play YouTube videos in sync on multiple clients?

php jquery ajax youtube real-time

ajax

Backbone.js: define timeout for Backbone.sync implementation

ajax backbone.js real-time polling

ajax

What on earth is ReverseHTTP and why would it be useful?

javascript ajax real-time

ajax

Is there an open source realtime collaborative wiki engine?

ajax mediawiki real-time collaborative

ajax

With websockets, is there a place for AJAX?

ajax rest real-time websocket

ajax

Is there any alternative to the websockets for using in shared hosting

javascript php ajax real-time

ajax