| Interface | Description | 
|---|---|
| IMetaAssociationSchema | 
 With a IMetaAssociationSchema, you can specify for a request, which associations also must be retrieved. 
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| IParameterMap | 
 A ParameterMap can be used to define the values for parameters of an query. 
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| IRetrievalSchema | 
 Representation of the structure the to be retrieved data should adhere to. 
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| ISortExpression | 
 This interface represents a configuration for sorting data store results. 
 | 
| Enum | Description | 
|---|---|
| AggregateFunction | 
 This enumeration can be used to define an aggregate function for a specific OQL query. 
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| ISortExpression.SortDirection | 
 Specifies the sort order. 
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| ResultType | 
 This enum type represents a specifying of the result form of retrieval requests. 
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| StoreType |