DirectQueryUsage 列舉
Specifies the current DirectQuery usage of the partition.
命名空間： Microsoft.AnalysisServices
組件： Microsoft.AnalysisServices (在 Microsoft.AnalysisServices.dll 中)
語法
'宣告
Public Enumeration DirectQueryUsage
'用途
Dim instance As DirectQueryUsage
public enum DirectQueryUsage
public enum class DirectQueryUsage
type DirectQueryUsage
public enum DirectQueryUsage
成員
| 成員名稱 | 說明 | |
|---|---|---|
| DirectQueryOnly | Indicates that queries on the partition should use only the relational data source. | |
| InMemoryOnly | Indicates that queries on the partition should use only the in-memory data store. | |
| InMemoryWithDirectQuery | Indicates that queries against the model can use either the xVelocity in-memory analytics engine (VertiPaq) cache, or the relational data store. The in-memory data store is preferred if both are available. |
備註
Only one partition can be enabled for DirectQuery access at a time. To use a partition in Direct Query mode, the storage mode of the model must have been previously changed to enable DirectQuery mode. For more information, see 資料分割和 DirectQuery 模式 (SSAS 表格式).