When you create an XML definition containing entity relationships, the Designer generates separate views for element groups and complex types. When you import an XML schema that uses substitution groups, the Designer imports each member of the substitution group as a separate entity. The Designer makes a separate view for each group.

The following figure shows a sample portion of an XML schema containing the substitution group MailAddress:

The following figure shows an XML definition with a view for each member of the substitution group, including AddrCAN, AddrGBR, AddrUSA, ShortAddress, and Street: