我最喜欢的 MDX问题是Empty 和Non Empty 的区别,因为尽管很多人平时都用它们来去除查询结果中的 Nulls 值,但是只有少数人理解它们的含义。 好多次我都得到类似 “Non Empty之间有空格,而 NonEmpty 没有”这样的答案。本文的目的在于澄清两者之间的区别。 假设初始的查询是: SELECT { [Measures].[Hits] ,[Measure...
non empty 是操作符, 是对轴过滤, 比如有一列全部是null就能过滤掉这列, 同理全部是null的行也能被过滤掉,这很有用。 nonempty() 是函数, 接受两个参数,第一个参数类型是set,最终返回第一个参数的子集, 子集在“inner join”第二个参数的结果非空。
MDX 非空优化 VLDB 属性确定当同一 MDX 多维数据集报表中包含来自不同层次结构(维度)的属性时,如何使用非空关键字忽略来自 MDX 多维数据集源的空值。您可以从下列设置中进行选择。无非空优化(默认):数据交叉联接的过程中,不加入非空关键字。选中此选项后,所有空的数据都将加入到 MDX 立方体报表。加入所有空数据...
Use this function rather than the deprecatedNonEmptyCrossjoin (MDX)function. Important Non-empty is a characteristic of the cells references by the tuples, not the tuples themselves. Examples The following query shows a simple example ofNonEmpty, returning all the Customers who had a non-null va...
因此,我有这个MDX通过TSQL (通过链接服务器到SSAS)查询多维数据集,它工作得很好: select * from openquery(GCUBE, 'SELECT NON EMPTY { [Measures].[Valore] } ON COLUMNS, NON EMPTY { ( [Prodotti].[Top Marca].[Top Marca].ALLMEMBERS * [Prodotti].[Top Codice].[Top Codice].ALLMEMBERS * [Agent...
NonEmpty ( { [Candidate].[Candidate].[Candidate].Members }, ( [Measures].[Votes Count] ) ) ON COLUMNS FROM [CubeName] WHERE ( Tuple ) Saturday, July 19, 2008 10:02 AM If you have not turned off the default all member you might be ...
WITH, MEMBER, IIF, NOT IsEmpty, NonEmpty, Tail, Item(), CurrentMember, Name, PrevMember, StrToMember, IS NULL, SELECT, ON ROWS, ON COLUMNS, FROM, WHERE using Microsoft.AnalysisServices.AdomdClient; Microsoft.AnalysisServices.AdomdClient.AdomdConnection, Microsoft.AnalysisServices.AdomdClient.AdomdCo...
MDX : Non Empty v/s NonEmpty的请参考 http://www.ssas-info.com/analysis-services-articles/50-mdx/2196-mdx-non-empty-vs-nonempty --- The last few months, recession worries have allayed and it is common to see the Talent Acquisition guys of our company stalking us techies to take...
我最喜欢的 MDX问题是Empty 和Non Empty 的区别,因为尽管很多人平时都用它们来去除查询结果中的 Nulls 值,但是只有少数人理解它们的含义。 好多次我都得到类似 “Non Empty之间有空格,而 NonEmpty 没有”这样的答案。本文的目的在于澄清两者之间的区别。
MDX : Non Empty v/s NonEmpty的请参考 http://www.ssas-info.com/analysis-services-articles/50-mdx/2196-mdx-non-empty-vs-nonempty --- The last few months, recession worries have allayed and it is common to see the Talent Acquisition guys of our company stalking us techies to take...