PowerDesigner provides default model checks to verify the validity of abstract data types.
|
Check |
Description and Correction |
|---|---|
|
Abstract data type name and code uniqueness |
Abstract data type 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 |
|
Abstract Data Type code maximum length |
The code of the ADT is longer than the maximum allowed by the DBMS. Manual correction: Reduce the length of the code Automatic correction: Reduces the code to a permissible length |
|
Instantiable object type must have attributes and no abstract procedures |
If an abstract data type of type Object (or SQLJ Object) is instantiable (Abstract option not checked), then it must have attributes and no abstract procedure. Manual correction: Define at least one attribute in the ADT Attributes tab and clear the Abstract option in the procedures property sheet Automatic correction: None |
|
Abstract object type must not have tables based on it |
If an abstract data type of type Object (or SQLJ Object) is not instantiable (Abstract option checked), then it must not have tables based on it. Manual correction: Set the Based on property to <None> in the tables property sheet Automatic correction: None |