how to connect a design to data base?

Answer 1

Use O/R mapping tool.

In enterprise java, there is a module called EJB.

You can also use open source, for example Hibernate one.

Answer 2

???are you asking that how to connect database to ur application??

Answer 3

yup

Answer 4

when I use netbean to design an application.....then what can I do to connect it to database