# PhysicalSchemaMapping.h File Reference

`#include <FdoStd.h>`
`#include <Fdo/Xml/Serializable.h>`
`#include <Fdo/Commands/Schema/PhysicalElementMapping.h>`

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## Classes
class | FdoPhysicalSchemaMapping
| FdoPhysicalSchemaMapping is an abstract class that is the base class of all Schema Override sets. Each instance contains the overrides for a particular Feature Schema and FDO Provider. Each FDO Provider, that allows Schema Overrides, must create a sub-class of this class. This sub-class must implement the overrides that are specific to the provider. The Provider can also add support, for serializing to an XML document, by overriding the functions inherited from FdoXmlSerializable. More...
## Typedefs
typedef FdoPtr < FdoPhysicalSchemaMapping > | FdoPhysicalSchemaMappingP
| FdoIPhysicalSchemaMappingP is a FdoPtr on FdoIPhysicalSchemaMapping, provided for convenience.