Key Checks

The following XML model checks are made on keys:

Check

Description and Correction

Key name and code uniqueness

Element 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

Existence of fields

A key must contain at least one field.

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

Automatic correction: Deletes unassigned key

For more information on fields, see Specifying Constraint Fields.

Undefined selector

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

Manual correction: In the key 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