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Reprinted from: http://blog.csdn.net/sunrise918/article/details/5575054These days on the logical primary key, business primary key and composite primary key have some thinking, also searched the related discussion on the net, related discussion can see the bottom reference link. Here are some of your own SQL Server-based summaries, other databases (Oracle, MySQL, DB2 、...... Should be similar, too. This is only a moment of their own thinking, if there

? (Zhang Haitao, vice president of IDG Capital, on Supply chain finance)Shong, founding partner of IDG Capital, had predicted that "business-to-business will be born next bat". According to the June 3, 2016 report issued by the AIDS advisory, China's business-to-commerce market in 2015 is on the rise of the channel: on-line ecommerce transaction size of 12.31 tri

Reproduced: http://blog.csdn.net/sunrise918/article/details/5575054 In the past few days, I have thought about logical primary keys, business primary keys, and composite primary keys. I also searched for some discussions on the Internet. For more information, see the following reference links. The following are some summary based on SQL Server. Other databases (Oracle, MySQL, DB2,...) should be similar. This is just a temporary thought. If you have an

After understanding the system goal, the system analyst should first not understand the business details, but discover people and things related to this goal. This kind of person and thing is called stakeholder in English. In Rose, the type of this kind of model is defined as business actor. Some documents are translated into stakeholders, so I prefer the translation method of stakeholders. This introduces

Introduction: in Database Design StepbyStep (5), we use multiple methods to understand the customer's requirements and write the requirement documents. This article will answer three questions. 1. Why are business rules very important. 2. How to identify business rules. 3. Modify the relational model and isolate the business rules. What are

OO system analyst path-case analysis series (3)-Business modeling stakeholder 1 Starting from this article, I will use a virtual instance to explain how to obtain the use case, and how to determine whether the use case acquisition is complete and whether the granularity is appropriate. In fact, when doing this, we are in the first stage of requirement analysis, namely the business modeling stage. With the

Applies Business Entity design in the business layer of an application. Summary Business entities are used to contain and manage business data used by an application. they shocould not contain any data access or business processing logic.

I have an idea: when I am working on domain decomposition for solutions today, I want to start from the perspective of enterprise operations, can you propose an enterprise operation map (EOM. EOM is a business process model or framework that provides enterprises with the required enterprise processes. It describes the requirements from the business view of the enterprise and analyzes and designs the

Currently, bi products on the market mainly include: data mining software, end customer query, report and analysis tools, data mart/warehouse products, three-dimensional data analysis software, technical data analysis software, data warehouse database and information integration tools, etc. The business intelligence products provided by manufacturers of different backgrounds are not nearly the same. A wide range of products can be described in a hundr

From the information age, enterprises have been trying to find business data hidden in the business value, and for this birth of data mining, business intelligence, BPM, BSM and many other technologies, but the advent of the Internet era, specifically for the closed production environment of the information system, has not been able to meet the rapid growth of th

1 Introduction As a brand-new communication media, Internet brings new opportunities in many fields. Web is becoming an important channel for business promotion, and e-commerce is experiencing rapid development. In general, the information or data involved in commerce is very complicated. To handle a large number of e-commerce business data, a certain amount of advanced information processing technology is

Today's entrepreneurs want to get funds from investors, while investors want to start a business or the projects they invest in haveA good business model. In fact, many entrepreneurs do not know what the real business model is? Just like many entrepreneurs, the enterprise business model will be summed up after success.

Business Layer Introduction Martin Fowler said: "Anyone can write code that computers can understand. Only programmers who write code that people can understand are good programmers ." Every complex software should be organized by layer. Each layer represents a logical part of the system. In particular, the business layer module includes all functional algorithms and computing required for

Domain object : Analysis Based on Business Behavior -- Dynamic and Static domain object and its relationship with business process Author: Anders JamesSynchronized from: http://www.blogjava.net/AndersLin/archive/2006/08/25/65875.html I. domain object1.1 What are the static and dynamic standards?During system operation, it is often set up and updated as "dynamic", and it is "static" to maintain stab

Label:Application analysis of MySQL high-availability architecture at the business levelhttp://mp.weixin.qq.com/s?__biz=MzAxNjAzMTQyMA==mid=208312443idx=1sn= F9a0d03dd9a1cf3b3575c0241291e421scene=22srcid=selu5tmzumklzwvbihzm#rd http://mp.weixin.qq.com/s?__biz=MzAxNjAzMTQyMA==mid=208312443idx=1sn= f9a0d03dd9a1cf3b3575c0241291e421scene=22srcid=selu5tmzumklzwvbihzm#rd2015-09-07 Douglas fir programmer log ↑↑↑ When you decide to focus on "log June", you a

This article is the nineth of a rambling architecture column, in which Kevin takes fire as a starting point and introduces the relationship between technology, business and architecture in depth. As the authors have said, technology has always been created in the context of human settlement of the demands of the business, and the aim is to gain greater and better benefits.One day to eat with friends just to

A venture capital manager once described the business plan he saw in a month as follows: half of the 100 business plans will be eliminated during the first review; after several hours of more careful evaluation, 25 were rejected. After more in-depth analysis, about 10 of the remaining plans were not as required. Of the first 100 candidates, only a few companies have plans that can enter a relatively in-dept