what is burndown chart

. So why should we add such a "data warehouse" between operational databases and bi?First, the operational database is busy day and night. It aims to respond quickly to the business and has no energy to meet the data requirements of Bi. In addition, the data requirements of Bi are usually summarized, A select sum (XX) group by XX can make the operation-type database consume a lot of resources, and the business processing can't keep

What exactly is EJB, really so mysterious?? Category: Java Learning-Basic 2010-08-02 21:26 37965 people read reviews (127) Favorites report EJB Server database server network distributed computing database1. We cannot help but ask what is a "service cluster"? What

This article mainly describes what Windows PowerShell is? What is Windows PowerShell? What are the features of Windows PowerShell? What is Windows PowerShell for? After reading this art

The latest version of this article has been updated to http://thinkinside.tk/2013/05/03/r_notes_1_what.html While learning about quantum investment, I found R (www.r-project.org ). What is R? Before you start, let's take a look at the magic of R.1. R Overview Select an image from The CRAN (The Comprehensive R Archive networkw.cran.r-project.org-mirrors.html, and then download The appropriate installation

to share their original insights. Organize the task at hand and the first day is an important time to find the project goals. If the control is reasonable, the team can get the goal set through a simple discussion. However, in order to ensure controllability and efficiency, we think it would be useful to use attractive charts. This idea also comes from KJ, and the production of the attraction

open-source class libraries and use them directly .... Excel import is simple,Find a JS Date control on the Internet by date,What do you mean by special dates,You can also find a useful chart on the Internet,Therefore, the final problem is mainly database design and data query,However, this project

system function structure diagram you generally are how to draw, I use organization chart or Visio, feel a little low ah, lazy time directly with xmind this kind of mind map software painting, the effect is also good. Database modeling I have been using powerdesign, or navicat the reverse database to the model (because now very few databases will do physical foreign keys, so the various reference relationsh

Source: http://www.cnblogs.com/jiesin/archive/2008/06/23/1227694.htmlLet's talk about our understanding of Bi and redescribe it from the definition, basic technology, terminology, instance application and expansion of Bi to consolidate our understanding of Bi. I. DEFINITION OF Bi Bi is the abbreviation of business intelligence. It is a collection of technologies that help enterprises make better use of data

Let's talk about bi, put an end to the "fake", "big", and "empty" words, and redescribe Bi in terms of definition, basic technology, terminology, instance application, and expansion, consolidate your understanding of Bi. I. DEFINITION OF Bi Bi is the abbreviation of business intelligence. It is a collection of technologies that help enterprises make better use of data to improve decision quality, it

ArticleDirectory Question 1: What is raid? What is it composed? Question 2: When do I need raid? If you have time, blow more water. RAID technology can be used to blow a few barrels of water. You will be able to understand this! Use a water dispenser to teach you

it into the reader in three ways. The display style is divided into single chart, big chart, three pictures, video, download and so on. According to previous input data, Baidu's mobile phone CTR is 3.08%, and the three-figure CTR is the highest. After the package segment or

collector passing through the transistor is not really 0, but about 0. This is the leakage current. Open/leak output: the output of the OC gate is the open/leak output, and the output of the OD gate is also the open/leak output. It can absorb a large amount of current, but cannot output the current outward. Therefore,

Website Bounce Rate (Bounce rates) is an important index to evaluate the performance of a website, high bounce rate, indicating that the user experience of the site is not good, the user jumped out, on the contrary if the rate is lower, the user experience of the site is good, users can find their own needs of the cont

function of these tools, this is also the Kik force point, and the key to success. After Kik the SMS experience to a new height, it is difficult for other vendors to ignore this part of the user experience, the following chart we have the current domestic software on the basic skills of SMS can do a comparison Implementation comparison of SMS function details

form joint ventures with dealers. We know that dealers keep the market on one side, have enough social relationships, have a sound sales network, and have a sales team tested by the market. His short-term interest is to make money, and the long-term interest is to develop, with different goals and manufacturers. So what measures should enterprises rely on to "co

[Linux] what is ifs? linuxifs1. Introduction of IFS IFS (Internal Field Seprator), which is The Internal domain separator. the complete definition is "the shell uses The value stored in IFS, which is the space, tab, and newline characters by default, to delimit words for the

AuthorJonathan AllenTranslatorYao Qilin After the term "View-model" emerged, many developers have many questions. View models need to deal with the intersection of views, models, and external services. This is clear, but accurate practices are often taken over. What should it contain, what should it not contain, and there is