KeyRef Checks

The following XML model checks are made on KeyRefs:

Check

Description and Correction

KeyRef name and code uniqueness

KeyRef names and codes must be unique in the model.

Manual correction: Modify the duplicate name/code.

Automatic correction: Appends a number to the duplicate name/code.

Undefined reference

A keyRef must contain a reference to a key or a unique constraint.

Manual correction: In the keyRef property sheet, define a reference to a key or a unique constraint with the Reference list.

Automatic correction: None

Existence of fields

A keyRef must contain at least one field.

Manual correction: Add at least one field to the keyRef or delete the keyRef. For example: @numEmployee.

Automatic correction: Deletes unassigned keyRef.

For more information on fields, see Specifying Constraint Fields.

Undefined selector

You must define an XPath expression for a keyRef selector attribute.

Manual correction: In the keyRef property sheet, define an XPath expression for the selector attribute. For example: s:company/s:employee.

Automatic correction: None

For more information on XPath expressions, see Specifying a Constraint Selector.


Created October 7, 2009. Send feedback on this help topic to Sybase Technical Publications: pubs@sybase.com