Databooks are notorious for using hyperbolic language. For example: "The Four Violet Flames Formation is an impenetrable barrier that even the Juubi cannot break." (It was broken by Zetsu).

Databooks are accurate up to the chapters they cover . Later manga developments may retcon or expand upon earlier databook entries.

The Role and Reliability of the Naruto Databooks in Series Canon databooks, officially known as the Secret: Records