Final answer:
OneTrust's Cookie Compliance tool uses the OneTrust Cookiepedia database to categorize discovered cookies, aiding organizations in understanding and managing website cookies for privacy compliance.
Step-by-step explanation:
The Cookie Database employed by OneTrust's Cookie Compliance tool in order to categorize discovered cookies is called the OneTrust Cookiepedia. This comprehensive database serves as a tool for organizations to understand and manage the cookies on their websites. It classifies cookies according to their purpose, such as necessary, functional, advertising, etc., and provides insights on privacy compliance, enhancing the ability of businesses to adhere to various data protection laws like GDPR, CCPA, among others.