Chapter 3 Building an XML model


Creating an identity constraint

You create an identity constraint from an element property sheet.

Steps To create an identity constraint from an element property sheet:

  1. Click the Constraints tab of an element property sheet.
  2. Click the Add Unique, Add Key or Add KeyRef Constraint tool in the Constraints page.

    An identity constraint appears in the list with predefined name and code (a unique constraint in the example).
  3. Modify the name and the code of the identity constraint.
  4. Click OK.

 


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