Chapter 9 Working with Data Models

Entity identifier checks (CDM/LDM)

The following CDM/LDM 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 entity 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.

 

Copyright (C) 2008. Sybase Inc. All rights reserved.