Chapter 18 - Data Model - Visual Paradigm

SDE-VS User’s Guide (Part 2, for ORM) Chapter 18 –Data Model
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3. A warning message will be displayed, showing that the listed constraints are not satisfied for converting to array table.
Click Yes to let SDE-VS to resolve the constraints automatically. Click No to cancel the conversion to array table.
Figure 18.30 - Warning message for the constraints are not satisfied
The conversion to Array Table is completed and the entity for the data column is stereotyped as Array Table.
Figure 18.31 - Entity are converted to Array Table
Defining an Array Type for Attribute in Class
A class with an attribute of array type modifier means that the attribute may contain more than one data; thus it implies the idea
of Array Table.
You can define the array type for the attribute in one of the two ways:
• Using Inline Editing
1. Right-click on a class, click Add > Attribute.
Figure 18.32 - To Add a attribute
2. Enter the name and type for the attribute in the form of "attribute_name :type[]", the sign, "[ ]" indicates
the attribute is an array.
Figure 18.33 - Enter the attribute name and type
• Using Class Specification Dialog Box
1. Right-click on a class, click Open Specification.
Figure 18.34 - Open specification