Do you have any SQL Injection Testing “Ammo”?

Question

When reading about SQL Injection and XSS i was wondering if you guys have a single string that could be used to identify those vulnerabilities and others.

A string that

Answer 1

http://ferruh.mavituna.com/sql-injection-cheatsheet-oku/

Includes versions for most DBs, including Hex tricks that bypass standard escaping.