C.2. Release Type Support for Versioned Views

A key factor when deciding which release type(s) to import is the extent to which each release by supports required views of the terminology content.
Table C.2-1
lists the views that may be required and indicates which release types support each of these views.

Table C.2-1: Views Supported by Different Release Types

Supported Views			Release Types
Supported Views			Full	Snapshot	Delta
Full View		A view of SNOMED CT that includes all versions of all components and reference set members in a full release.
Snapshot Views
	Current Snapshot	A snapshot view for the date of the most recent release.
	Retrospective Snapshot	A snapshot view for a specified snapshot date.
Delta Views
	Current Delta	A delta view for the date range between the most recent release date and the immediately preceding release date.
	Retrospective Delta	A delta view for a specified date range.