if ISBN is not appropriate as a primary key? then what should be.
is ISBN only applicable to books. What about other products like laptops?
I have seen a database with strange 16 to 32 digit number...

I have a query about ISBN. Some books have one ISBN, SOME have two. Is it appropriate to use ISBN AS a primary key for a book table ( as I have seen it in one book).
What is ISBN basically. What can...

I also have a query about ISBN. Some books have one ISBN, SOME have two. Is it appropriate to use ISBN AS a primary key for a book table ( as I have seen it in one book).
What is ISBN. What can be...

Hi All,

I am doing a project which is struts based. I have included following files in build path of eclipse.
servlet-api.jar
jasper-runtime.jar
jsp-api.jar
struts.jar
antlr.jar...

Hi,
I am developing online examination in servlets/jsp.
the problem with I stucked with is how to show user a timer.
the jsp page which showing current question to user should show time remaining...