You can access the contents of the LinkDB using PARTlinkManager.
Additional information from third-party-systems are stored in the LinkDB.
PARTlinkManager provides the following functions, among others:
Create geometric variants
Do not use PARTdesigner under ERP-functionality to add variants or further columns. This would cause conflicts.
Create additional fields, e.g. material or surface
Edit additional fields
Designing of additional columns in the PARTdataManager view
Defining CAD-file names