VIP Blogs

add_db_server('vip1', 'dc1', 1, 1,'','', '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
This is what I have

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

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