Sybase XML manual Union general, Union types, ™ To define a simple type derivation by union, 114

Models: XML

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Defining derivations

Union general

The General page of a simple type union property sheet displays the

properties

following properties:

 

Property

 

Description

 

 

 

 

 

 

 

ID

 

ID of the simple type union. Its value must be of type ID and

 

 

 

unique within the model containing the simple type union

 

Member Types

 

White space separated list of built-in data types. Values must be

 

 

 

qualified names (See Glossary)

Union types

 

 

 

The Union Types page of a simple type union property sheet displays a list

properties

where you can add simple types using the Add Simple Type tool.

™To define a simple type derivation by union:

1Select Union in the Derivation dropdown listbox of a simple type property sheet.

2Click Apply.

3Click the Properties tool beside the Derivation box. The simple type union property sheet appears.

4Type an ID and member types for the simple type union.

5 Click OK.

114

PowerDesigner

Page 126
Image 126
Sybase XML manual Union general, Union types, ™ To define a simple type derivation by union, 114