Hi every one,

Simple Introduction,
I make a simple program before by Oracle APEX is a program very simple for my accounting and registration of financial debt and personal benefits.

And before I rented domain for my APP and linked with my personal server, & Everything was fine .

But then I want to be sharing my APP via the internet with all users by free .. 

I now, " This is my question focus " I want to sharing my app via internet for all public user, without any confusion data between user and another, Where anyone can come to the site and register as a new user and enter into the program Only finds its own data without any data other users.

What are the guide lines or steps in apex to do that?
What the part or chapter name in oracle APEX books, Or what the name of books to read it to can doing this alteration?

Thanks for help me ..