Entity Checks (CDM/LDM)

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

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.
Entity name and code maximum length	The entity name and code length is limited to a maximum length of 254 characters specified in the naming conventions of the model options. Manual correction: Modify the entity name/code length to meet this requirement. Automatic correction: Truncates the entity name/code length to the maximum length specified in the naming conventions.
Existence of attributes	An entity must always contain at least one attribute. Manual correction: Add an attribute to the entity or delete the entity. Automatic correction: None.
Number of serial types > 1	An entity cannot have more than one serial type attribute. Serial types are automatically calculated values. Manual correction: Change the types of the appropriate entity attributes to have only one serial type attribute. Automatic correction: None.
Existence of identifiers	An entity must contain at least one identifier. Manual correction: Add an identifier to the entity or delete the entity. Automatic correction: None.
Existence of relationship or association link	An entity must have at least one relationship or association link. Manual correction: Add a relationship or an association link to the entity or delete the entity. Automatic correction: None.
Redundant inheritance	An entity inherits from another entity more than once. This is redundant and adds nothing to the model. Manual correction: Delete redundant inheritances Automatic correction: None.
Multiple inheritance	An entity has multiple inheritance. This is unusual but can be tolerated if you defined this check as a warning. Manual correction: Make sure that the multiple inheritance is necessary in your model. Automatic correction: None.
Parent of several inheritances	An entity is the parent of multiple inheritances. This is unusual but can be tolerated if you defined this check as a warning. Manual correction: Verify if the multiple inheritances could not be merged. Automatic correction: None.
Redefined primary identifier	Primary identifiers in child entities must be the same as those in their parents. Manual correction: Delete those primary identifiers in the child entities that are not in the parent entity. Automatic correction: None.