db = [[MCPConnection alloc] initToHost:@"host" withLogin:@"username" usingPort:3306];
[db setPassword:@"password"];

NSLog(@"Connect: %d", [db connect]);
BOOL connSuccessful = [db connect];
if (!connSuccessful) {
NSLog(@"%@",[db getLastErrorMessage]);
}
else {
BOOL selectDBSuccessful = [db selectDB:@"database"];
if (!selectDBSuccessful) {
NSLog(@"%@",[theConn getLastErrorMessage]);
}
else {
// MySQL Stuff Here
}
}