Read the questions, i asked the concept which is maintained by vendor not at company IT policy hand book.

I didnt asked what is easy or diffecult.

I asked a question...

Hi veteran 

Thanks for the comments but i was not looking for what individual DBA do or what people feels easy in. The main thing is the standard and right...

Let me tell the correct answers.

1.) Atomicity

2.) Durability

3.) Shared Lock

4.) No error will be displayed and no transaction will take place, as its one session.

5.) Pause the Service, shutting down...