VIP Blogs

add_db_server('vip1', 'dc1', 1, 1,'64.120.23.72','192.168.0.101', 'wpmu_vip_1', 'db_user_name', 'db_user_name_pass');
//------------------------------------------------------------------------//
//---VIP Blogs------------------------------------------------------------//
//------------------------------------------------------------------------//
// Usage: add_vip_blog(BLOG_ID, DS)
// EX: add_vip_blog(1, 'vip1');

add_vip_blog(1, 'vip1');
?>

Does this have to be a separate database name with its own user
Name?
This is what I have

add_db_server('f', 'dc1', 1, 1,'localhost','198.1.98.81', 'uploadme_graphf', '[removed]', '[removed]');

add_db_server('vip1', 'dc1', 1, 1,'localhost','198.1.98.81', 'uploadme_vip_1', '[removed]', '[removed]');
I created a database name and have the same user as all the other databases except the global