In Part 3 the Operating System Data Classes are covered. Whether you need to create a custom report, or a custom computer filter based on Inventory Data in Inventory Solution 7.5, knowing the database schema is important. In Inventory Solution 7.5 the data structure for inventory follows closely with previous schemas in the 7.x version family. This document is meant to help understand not only the dependencies between the hardware tables, but provide information on the columns and their purpose. Please see the attached document for content.