You can modify an object's properties from its property sheet. To open an attribute property sheet, double-click its Browser entry in the Attributes folder within an entity, association, or inheritance.
|
Property |
Description |
|---|---|
|
Name |
Specifies the name of the item, which should be clear and meaningful, and should convey the item's purpose to non-technical users. |
|
Code |
Specifies the technical name of the object, which is used for generating code or scripts, which may be abbreviated, and should not generally include spaces. |
|
Comment |
Specifies a descriptive label for the attribute. |
|
Stereotype |
Sub-classification used to extend the semantics of an object without changing its structure; it can be predefined or user-defined. |
|
Entity/ Association/ Inheritance |
[read-only] Specifies the parent object. Click the tool to the right of the field to open its property sheet. |
|
Data Item |
[CDM only, read-only] Specifies the related data item. Click the tool to the right of the field to open its property sheet. |
|
Inherited from |
[LDM only, read-only] Specifies the parent entity from which the attribute is migrated through an inheritance. |
|
Data type |
Specifies the data type of the attribute, such as numeric, alphanumeric, boolean, or others. Click the question mark button to open the list of data types (see Domains (CDM/LDM/PDM)). |
|
Length |
Specifies the maximum length of the data type. |
|
Precision |
Specifies the maximum number of places after the decimal point. |
|
Domain |
Specifies the name of the associated domain (see Domains (CDM/LDM/PDM)). If you attach an attribute to a domain, the domain supplies a data type to the attribute, and can also apply length, decimal precision, and check parameters. |
|
Primary Identifier |
[entity attributes only] Indicates whether or not the attribute is the primary identifier of the entity. |
|
Displayed |
[entity and association attributes only] Displays the attribute in the object symbol. |
|
Mandatory |
Specifies that every object occurrence must assign a value to the attribute. Identifiers (see Identifiers (CDM/LDM)) are always mandatory. |
|
Foreign identifier |
[LDM only, read-only] Indicates whether or not the attribute is the foreign identifier of the entity. |
The following tabs are also available:
Standard Checks - contains checks which control the values permitted for the attribute (see Check Parameters (CDM/LDM/PDM)).
Additional Checks - allows you to specify additional constraints (not defined by standard check parameters) for the attribute.
Rules - lists the business rules associated with the attribute (see Business Rules (CDM/LDM/PDM)).