Chapter 4 Working with Conceptual Data Models

Entity identifier checks

The following CDM model checks are made on entity identifiers:

Check Description and Correction
Entity identifier name and code uniqueness Entity identifier names and codes must be unique in the namespace.

Manual correction: Modify the duplicate name/code

Automatic correction: Appends a number to the duplicate name/code.
Existence of an attribute At least one attribute must exist for an entity identifier.

Manual correction: Add an attribute to the entity identifier or delete the identifier.

Automatic correction: None.
Identifier inclusion An identifier cannot include another one.

Manual correction: Delete the identifier that includes an existing identifier.

Automatic correction: None.

 

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