user2.setPreference(new PreferenceRDBMS("P2", "High Contrast", "3"));
user2.addExternalLink(new ExternalLinkRDBMS("L3", "GooglePlus", "http://plus.google.com/inviteme"));
user2.addExternalLink(new ExternalLinkRDBMS("L4", "Yahoo", "http://yahoo.com/profiles/itsmeamry"));
user2.addTweet(new TweetRDBMS("Saurabh tweets for the first time", "Phone"));
user2.addTweet(new TweetRDBMS("Another tweet from Saurabh", "text"));
return user2;
}