Sybase Generating an XML model from a Physical Data Model, Generating XML Model objects, 180

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Generating an XML model from a Physical Data Model

Generating an XML model from a Physical Data Model

This section explains how to generate an XML model from a Physical Data

Model.

Generating XML Model objects

When you generate an XML model from a PDM, PowerDesigner translates

PDM objects into specified XML Model objects as follows:

PDM object

Generated object in an XML model

Domain

Simple type

Table

Element. A table is generated as a child element when it

 

has one outgoing reference link with the Mandatory

 

parent property selected

Column

Element or element attribute (See generation options)

View

Element

View column

Element attribute

Key

Key

Index

Unique

Abstract data type

Complex type

Abstract data type

Complex type attribute

attribute

 

 

 

PDM packages are generated into XML diagrams.

A PDM is generated into several XML diagrams:

A global diagram displaying a hierarchical view of all the generated elements

One diagram for each physical diagram in order to keep the PDM design. The generated diagram displays the same object symbols as the source diagram

The Global Diagram displays the symbol of a root element called Database. This Database element (which has no equivalent in the source PDM) groups together all the identity constraints (see Constraints page of the Database property sheet) generated from the PDM keys, indexes and references.

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Sybase manual Generating an XML model from a Physical Data Model, Generating XML Model objects, 180