EstimatedRows (MDStore Interface)
[!附註]
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 |