How to Find Facebook User by Email Address

                    Facebook reached almost in every country,compared to Google, is only company that can reached in same level.It is tough to find person who don't have Facebook account.
                         In FB you can search user by their email address. Just

Serializability in DBMS

Let’s get started!


Definition : It is sequences of actions (read,write, commit,abort) from set of transactions (which obey the sequence of operations with in the transactions ).