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Oracle TopLink Developer's Guide 10g Release 3 (10.1.3) B13593-01 |
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# Descriptor Types

Table 26-1 lists the descriptor types you use to describe the classes in your object model and classifies them as basic or advanced.

Table 26-1 TopLink Descriptor Types

Descriptor Type | Description | Type | TopLink Workbench | Java
--- | --- | --- | --- | ---
"Relational Descriptors" | Describes Java objects that you map to tables in a relational database. Applicable to all relational databases that TopLink supports. | Basic |  |
"Object-Relational Descriptors" | Describes Java objects that you map to tables in a relational database that provides special database data types that correspond more closely to object types. Applicable only to the relational databases that TopLink supports that provide these special data types. | Advanced |  |
"EIS Descriptors" | Describes Java objects that you map to an EIS data source by way of a J2C adapter. | Basic |  |
"XML Descriptors" | Describes Java objects that you map, in memory, to complex types in XML documents defined by an XML schema document (XSD). | Basic |  |

For more information, see the following:

- Chapter 27, "Creating a Descriptor"

- Chapter 28, "Configuring a Descriptor"