Or no answers.
The operation is place where? The button is doing what exactly?
Sorry , i did not post this as i thought this is all related to Other tiers of the Application .
Okay , The Add button of my application will be responsible to Add an User in Oracle Database ,(for this it executes two insert queries).
The flow is of JSP -->Servlet--->SessionBeans---->ServiceLayer---->Hibernate---->Database .