Enumerazione DirectQueryMode
Indicates whether a tabular model is enabled for use in Direct Query mode.
Spazio dei nomi Microsoft.AnalysisServices
Assembly: Microsoft.AnalysisServices (in Microsoft.AnalysisServices.dll)
Sintassi
'Dichiarazione
Public Enumeration DirectQueryMode
'Utilizzo
Dim instance As DirectQueryMode
public enum DirectQueryMode
public enum class DirectQueryMode
type DirectQueryMode
public enum DirectQueryMode
Membri
| Nome membro | Descrizione | |
|---|---|---|
| DirectQuery | Indicates that queries against the model should reference only the relational data source. | |
| DirectQueryWithInMemory | Indicates that queries against the model should reference primarily the relational data source but can use the cache if available. | |
| InMemory | Indicates that queries against the model should use only the in-memory data store. | |
| InMemoryWithDirectQuery | Indicates that queries against the model should reference the xVelocity in-memory analytics engine (VertiPaq) cache first, and then the relational data source. |
Osservazioni
After the model has been enabled for Direct Query access, you must also set a property on the data source that specifies whether to use Direct Query only, or to use a hybrid mode. For more information, see Modalità DirectQuery (SSAS tabulare).