OLTP与OLAP的介绍 数据处理大致可以分成两大类:联机事务处理OLTP(on-line transaction processing).联机分析处理OLAP(On-Line Analytical Processing).OLTP是传统的关系型数据库的主要应用,主要是基本的.日常的事务处理,例如银行交易.OLAP是数据仓库系统的主要应用,支持复杂的分析操作,侧重决策支持,并且提供直观易懂的查询结果. OLTP 系统强调数据库内存效率,强调内存各种指标的命令率,强调绑定变量,强调并发操作: OL…

新书到手 TRANSACTION PROCESSING:CONCEPTS AND TECHNIQUES Jim Gray大神的著作 本文版权归作者所有,未经作者同意不得转载.…

Report processing of Microsoft Dynamic AX 版权声明:本文为博主原创文章,未经博主允许不得转载. The implementation of a general electronic report usually has four classes. Contract: Comment: Contract class is data contract class for SSRS report . Intent: Gets or sets the value…

原文地址:http://hannesdorfmann.com/annotation-processing/annotationprocessing101 In this blog entry I would like to explain how to write an annotation processor. So here is my tutorial. First, I am going to explain to you what annotation processing is, w…

安装了Oracle 12C后,启动数据库的过程中出现如下错误 SQL> startup ORA-01078: failure in processing system parameters LRM-00109: could not open parameter file '/u01/app/oracle/product/12.1.0/db_1/dbs/initepps.ora' [oracle@gettestlnx01 ignite]$ cd /u01/app/oracle/product/12…

图形 //在(x, y)绘制点 point(x, y); //(x1, y1)到(x2, y2)的一条线 line(x1, y1, x2, y2); rect(x, y, weight, height); //Constant有三个值: //默认CORNER:rect(左上x, 左上y, 宽, 高) //CENTER:rect(中心x, 中心y, 宽, 高) //CORNERS:rect(左上x, 左上y, 右下x, 右下y) rectMode(Constant); //(x, y)圆心位置,w…

Processing 小代码 小代码2 小代码3 小代码4 小代码5…

转载:http://duanple.blog.163.com/blog/static/70971767201281610126277/   作者:Grzegorz Malewicz, Matthew H. Austern .etc.Google Inc 2010-6 原文:http://people.apache.org/~edwardyoon/documents/pregel.pdf 译者:phylips@bmy 2012-09-14 译文:http://duanple.blog.163.co…

Chapter_3 Intensity Transsformations and Spatial Filtering 灰度变换与空间滤波 Intensity transformation function s = T(r) (size of the neighborhood is 1*1) Some Basic Intensity Transformation Functions 1.Image Negatives 图像反转 $ s = T(r) = L - 1 - r $ 2.Log Tran…

转载:https://www.mssqltips.com/sqlservertip/3476/sql-server-analysis-services-ssas-processing-error-configurations/ Problem What are the different methods of dealing with errors in SQL Server Analysis Services (SSAS) processing and should I change the…