hi guys
i have created a database for a friend which seems to be running ok (for now) my front end im using vb.net . what i need to do is make alterations to the same database which is on my computer ie add fields which i can do then update his database ,my only concern is as i dont have his data i would be afraid of overwriting and he loses his data is there a way if i update his he wont lose data
thank you for your help