I read all the SQL injection tutorials in this site and all the posts in the forum concerning Basic Web Hacking 18. I googled some articles about b***SQL*I. The common point in all these articles is that some characters are injected to see if the site is vulnerable or not . For example like:
?id=2 and 1=2
?id=2 and 1=1
I tried many combinations to get the vulnerability , like in the above four examples, but I did not succeed : it only says "invalid article"
So I would like to know what I am missing . Any help would be appreciated