Secure all tables of mysql database

Hi frnd,
I have created an application in vb.net for which i have create database in mysql 4.1
I want to secure all tables of mysql database in such way that no one can see structure or data of any table.
how can i set password to mysql database?
and even if i set password to database someone can copy tables in other database and can aaccess the tables, give me some idea for securing mysql tables

re: Secure all tables of mysql database

You'll want to take a look at this document.

re: Secure all tables of mysql database

hi its really very helpful thanks.