The XML schema and the metadata object models map closely to one another and to the Metadata Model described in this section. There are 13 metadata objects in the schema.
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Note:
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You might want to keep a printout of the AdventureWorks SQL Server 2000 Sample XML and the XSD available when you read about the key objects of the metadata model. You can find the BdcMetadata.XSD file typically at %ProgramFiles%\Microsoft Office Server\12.0\Bin.
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The following figure shows the metadata model.
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Note:
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The SourceEntity and DestinationEntity objects are both instances of the Entity metadata object.
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Other Resources
Business Data Catalog: Architecture
AdventureWorks SQL Server 2000 Sample
How to: Get Started with Using the Runtime Object Model
How to: Get Started with Using the Administration Object Model
FAQ: Business Data Catalog
Business Data Catalog: Glossary