That is customized report, that can provide information about APM database structure.
Report
Can be downloaded below:
Setup
APM → Reports → Report Generator;
Import → Select files → Define the group → Select the report downloaded above → Import;
Go to the folder selected for imported report;
Double click on the report;
In the appeared dialog window there are possibilities to execute report for selected Tables, Modules, FK Tables and Complete Database;
Also there are possibilities to select the information by Physical database tables names and Logical names;