Oracle is the only company in history that spawned a huge consultants network just to "survive" their license audits.

Google results:

    Oracle License Audit Survival Guide for CIOs
    Handling Oracle’s “Friendly” License Reviews
    How to Prepare for an Oracle License Audit 
    How to Prepare For and Navigate an Oracle License Audit
    Top 7 Oracle Audit Triggers (And How to Avoid Them)
    Top 5 Best Oracle License Consultant Firms
    7 Questions to Ask When Engaging an Oracle Audit Defense