http://www.articleheaven.net en-us editorial@articlealley.com Over the past decades IT sector has witnessed tremendous ups and downs and enjoyed the fruits of innovations. Due to beautiful execution of these cutting-edge innovations the businesses have gained good revenues. Every technology is enhanced and researche... http://www.articleheaven.net/nature-and-scope-of-oracle-certification-and-how-to-prepare-to-attain-it-2438640.html 25th June 2015