Where to find in MDB the relationship between Configuration Items (CI) and Change Orders (CO)
Release : 17.3
Component : SDM - Classic UI
You can find the data stored in the usp_lrel_asset_chgnr table.
In the screenshot above you can see the Change Order 21 has CI named "hwast01" associated to it.
At the database level, you see in the usp_lrel_asset_chgnr table the ID's from the change order (chg table) and the ID from the CI (ca_owned_resource table)