由于Multidimensional Model 和 Tabular Model 并不能互相转换, 所以在项目之初就应该要考虑好选择哪一种模型进行开发. 以下只是一些建议: Licensing 许可和版本的限制 Analysis Service 2012 适用于 SQL Server Standard, SQL Server Business Intelligence 和 SQL Server Enterprise. 但是在 SQL Server Standard 版本中 Analysis Se…
原网址:http://cathydumas.com/2012/04/23/changing-an-analysis-services-instance-to-tabular-mode/ Say you have already installed an Analysis Services instance of SQL Server 2012. Maybe you made a mistake in setup and accidentally set it up as a multidimen…
http://www.kdd.org/kdd2016/papers/files/rfp0697-chenAemb.pdf https://homes.cs.washington.edu/~tqchen/pdf/BoostedTree.pdf [Training Loss measures how well model fit on training data] [Regularization, measures complexity of model] [simple] [predictive]…
The biggest difference between LES and RANS is that, contrary to LES, RANS assumes that \(\overline{u'_i} = 0\) (see the Reynolds-averaged Navier–Stokes equations). In LES the filter is spatially based and acts to reduce the amplitude of the scales o…
一.Web Service基本概念 Web Service也叫XML Web Service WebService是一种可以接收从Internet或者Intranet上的其它系统中传递过来的请求,轻量级的独立的通讯技术.是:通过SOAP在Web上提供的软件服务,使用WSDL文件进行说明,并通过UDDI进行注册. XML:(Extensible Markup Language)扩展型可标记语言.面向短期的临时数据处理.面向万维网络,是Soap的基础. Soap:(Simple Object A…
笔记记下来,划重点: https://docs.microsoft.com/zh-cn/sql/analysis-services/comparing-tabular-and-multidimensional-solutions-ssas?view=sql-server-2017 Model Features Multidimensional Tabular Actions Yes No Aggregations Yes No Calculated Column No Yes Calcula…