There are two windows where table and columns will be displayed.
One for model key and next screen for table other than model key column's selection.
The model key table or columns cannot be moved from right pane to left pan.
Unable to delete the data source details from created environment which are used for Find and Reserve.
Release : 4.8
Component : CA Test Data Manager
These are current limitations with TDM portal version 4.8.1. Find and reserve functionality will be enhanced in future releases.