The Microsoft Codename “Astoria” Overview document shows how data is addressed and represented by Astoria data services. In order to address data with Astoria data services the following addressing scheme is used: http://host/vdir//{{<[predicate]>}. For instance the URI http://myserver/data.svc/Customers points to a resource, which contains all customer instances. A single customer might be referenced by the following resource URI: http://myserver/data.svc/Customers[ALFKI], whereas “ALFKI” represents a unique key within the customer data.
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