Unique Checks

PowerDesigner provides default model checks to verify the validity of uniques.

Check	Description and Correction
Name/Code contains terms not in glossary	[if glossary enabled] Names and codes must contain only approved terms drawn from the glossary. Manual correction - Modify the name or code to contain only glossary terms. Automatic correction - None.
Name/Code contains synonyms of glossary terms	[if glossary enabled] Names and codes must not contain synonyms of glossary terms. Manual correction - Modify the name or code to contain only glossary terms. Automatic correction - Replaces synonyms with their associated glossary terms.
Name/Code uniqueness	Object names must be unique in the namespace. Manual correction - Modify the duplicate name or code. Automatic correction - Appends a number to the duplicate name or code.
Existence of fields	A unique constraint must contain at least one field. Manual correction: Add at least one field to the unique constraint or delete the unique constraint. For example: @numEmployee. Automatic correction: Deletes unassigned unique constraint. For more information on fields, see Constraint Properties.
Undefined Selector	You must define an XPath expression for a unique constraint selector attribute. Manual correction: In the unique constraint property sheet, define an XPath expression for the unique constraint selector attribute. For example: s:company/s:employee. Automatic correction: None For more information on XPath expressions, see Constraint Properties.