The Preferences node contains global configuration preferences
for the whole project.
Thie following list describes the tabs found in the Model Explorer.
General. Global setting of Source Deletion Strategy
(for example, record activity) and Export Scope Setting.
Advance Settings. Global definition of Ignored Comparison
Columns and behavior of compound PK and FK in the Instance Layer.
Length-Validation Settings. Database dependent length-validation setting
for entities, columns, and also for derived indexes according to
the limitations of different database implementations.