Constrained Strings Example

• Constrained String – Defined:

  • A STRING whose format and/or values are constrained by an associated scheme identifying the rules comprising the constraint.
    

• Constrained String - Example:

• • Attribute: CALENDAR_DATE
  • Definition: The calendar date; formatted as specified by <<DATE_FORMAT>> or by <<DATE_TIME_FORMAT>>
  • Value example: “20040107” qualified by:
    • Attribute: DATE_FORMAT
    • Enumerant: YYYYMMDD
    • Which is the calendar year 2004 of the month January of the 7th day

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