id (field)

A field that provides the unique identifier of a ( , or ) or .

Note:

• The data type of the id for a

  

  is

  

  and this identifier is used to refer to the

  

  .
• The data type of the id for a

  

  is

  

  . This identifier is only used to support versioning of a rows (

  

  ) in a

  

  it does not identify the Reference set itself (see

  

  ) nor does it identify to a component refered to by the

  

  (see

  

  ).