In the dbConnect Manager, in the tree view, right-click a data
source file. Click New Link Template.
In the New Link Template dialog box, enter a name for the link
template in New Link Template Name. Click Continue.
Select one or more key fields by clicking in their check boxes.
You should keep
the number of key fields to a minimum. Large numbers of key fields
can have a negative impact on the performance of Link Select and
other connectivity operations.