Physical Tables Structure for HR OM Tables

Hi ,

I am having one query.We have Organization Object(O),

Position (S) and Job (c).

These all go in Logical Tables.For Ex. T527X for OU.

I want to get the Physical table structure where these Tables and objects are stored and want to know about their Relationship, Mean Physical Relationship Table .

Anyone if found the Physical Database structure with Diagram having Relationship Table ,please Post ?

Regards,

Kamal