This is buzz all around the net, that Google+ grown faster than Twitter and Facebook. Yeah it seems looking at the graphs and the overwhelming response of the users. It seems that Google+ reached 10 million users in just 16 days. Wow!! but how many are new users to Google, since many users are already associated with Google in some or the other way. Whenever Google introduces any new system, most of these users joined these systems. When Buzz is launched, then also number of Buzz users increased so rapidly. But with Facebook and Twitter, the scenario is bit different, they entered into the internet market and started attracting customers due to theri features. Now, most of the users are already get used to with social networking sites, hope Google+ with groups feature can take the advantage of all.
Index Fast Full Scan is one of the index access methods supported by Oracle. Index Fast Full Scan is otherwise called as Fast Full Index Scan also. Index Fast Full Scan can be imposed by Oracle Optimizer only in the certain scenario. The scenario where this index would be invoked is, Whenever the Oracle SQL optimizer detects that the query is serviceable without touching table rows, Oracle invokes this fast full index scan and quickly reads every block of the index without touching the table itself provided that query doesn’t contain any ORDER BY clause. The definition for this scan is more or less similar to the index full scan but the only difference is that former will be invoked when ORDER BY clause is not mentioned in the query. It differs from the index full scan in another way where output won’t be in the sorted order since ORDER BY clause is not mentioned. If Oracle detects the query is serviceable without touching the table rows, it means, all the columns mentioned i...

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