well i dont like hotlinking but there’s too much to crap about this and there were some really organised pages.. so…

Cheat Sheets (listing of scenarios, sample queries and possible attacks)

SQL Injection wiki:

http://www.owasp.org/index.php/SQL_Injection_Prevention_Cheat_Sheet

Quick reference list (MS SQL):

http://michaeldaw.org/sql-injection-cheat-sheet

Quick reference list (ORACLE):

http://www.red-database-security.com/whitepaper/oracle_sql_injection_web.html

Indexes:

http://devcheatsheet.com/tag/sql-injection/

Testing guide:

http://www.owasp.org/index.php/Testing_for_SQL_Injection_(OWASP-DV-005)

Coding guide:

http://www.owasp.org/index.php/Guide_to_SQL_Injection

Reviewing guide:

http://www.owasp.org/index.php/Reviewing_Code_for_SQL_Injection

for all round hacking (DQL, DDL, DML):

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

http://ferruh.mavituna.com/oracle-sql-injection-cheat-sheet-oku/

for filter evasion (DQL)

http://ha.ckers.org/sqlinjection/