gc:Key

Definition of a key.
A key is a set of one or more columns whose values together provide a unique identification of each item in a code list.

Rule: Only required columns can be used for keys.

Complex type information

Content

• Sequence [1..1]
  1. Annotation [0..1]    User annotation for the key.
  from group gc:NameSet
  ShortName [1..1]    Short name (without whitespace).
  LongName [0..*]    Human-readable name.
  from group gc:IdentificationVersionUriSet
  Sequence [0..1]
  1. CanonicalUri [1..1]    Canonical URI which uniquely identifies all versions collectively.
  2. CanonicalVersionUri [0..1]    Canonical URI which uniquely identifies this version.
  2. ColumnRef [1..*]    Reference to the document ID of a column in the key.

Attributes

Used by

• Element Key