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Oracle TopLink Developer's Guide 10g Release 3 (10.1.3) B13593-01 |
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# Understanding the Mapping API

All the mapping classes are derived from the `DatabaseMapping` class.

Table 33-5 Platform and Mapping Package Compatibility

Platform | Mapping Package
--- | ---
`DatabasePlatform` For relational projects | `oracle.toplink.mappings` `oracle.toplink.xdb` `oracle.toplink.objectrelational`
`EISPlatform` For EIS projects | `oracle.toplink.eis` `oracle.toplink.mappings.TransformationMapping`
`XMLPlatform` For XML projects | `oracle.toplink.ox` `oracle.toplink.mappings.TransformationMapping`