EstimatedRows (MDStore Interface)
附註: |
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下一版的 Microsoft SQL Server 將不再提供此功能。請勿在新的開發工作中使用此功能,並且儘速修改使用此功能的應用程式。 |
The EstimatedRows property of the MDStore interface contains the estimated number of rows in the MDStore object. This property value is used in the algorithm that designs aggregations.
Applies To:clsAggregation, clsCube, clsPartition
Data Type
Double
Access
Read/write
備註
The interpretation of this property value depends on the value of the ClassType and SubClassType properties of the object.
Class type | Subclass type | Interpretation of property value |
---|---|---|
clsCube |
Any (except sbclsVirtual) |
Number of rows in the fact table of the cube |
clsCube |
sbclsVirtual |
Sum of number of rows in the underlying cubes |
clsPartition |
Any |
Number of rows in the fact table of the parent cube |
clsAggregation |
Any |
Number of rows in the aggregation table |
請參閱
參考
EstimatedSize (MDStore Interface)
MDStore Interface