How to Build SAP origination Structure for HR Module

[#1]

Hi,

How to build SAP origination Structure for HR Module .

A,B Two tables

A - OBJID , B-SUB_OBJID Are Fields ..

B.SUB_OBJID SUBSET OF A.OBJID

A ---> B--->A--->B--->A--->B--->A ------ to identified the ground level data

Give me some guidance how to start to identified the ground level data .

Thanks

[suniljain]

Pls study functional flow and check technical flow accordingly.