On starting the software the user is presented with the following options to choose from:
On successful login there will be three options and the user have
to choose from the option.
"INSERT" is to insert data in the database.
"UPDATE" is to update the existing database.
"DELETE" is to delete a field from the data base.
In "INSERT" option you have to fill all the fields.
In "UPDATE" option you have to fill atleast the "roll number"
In "DELETE" option you have to fill the "roll number" field