Integer and String Based SQL Injection Tutorial

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After Getting tutorial about IBM AppScan from Central Hacker who are also claim themselves as Hacker for hire i found two more tutorial on SQL Injection.

They used SQLI-LAB though but it is good to follow. As Hacker for hire they should post example & tutorial against real site?

Anyway, You guys can read these tutorial from their blog:

Integer Single Quote SQL Injection  

String Based SQL Injection

Note: pusheax does not have any kind of relation with these kind of company. It is just about sharing document!