Data Entity

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ADO. NET Entity Data Model entity key problem in multiple table join query

ADO. NET is the core of. NET interoperability with the database, and the Ado.net entity database enhances the ability of the. NET application to interconnect with the database, and we can easily strongly type data interoperation with the underlying database through the Ado.net Entity Data model. Greatly facilitates the design personnel, thus also enhances the database operation security. A very special problem has recently been encountered when using the domain data service to siverlight [the results in the application are not the same as the results of the database], after repeated experiments, finally found ...

Mapping an existing entity class (POCO) in entity Framework 4

The full name of the Entity framework is the Ado.net Entity framework, the Ado.net based ORM (object/relational Mapping) architecture developed by Microsoft. The main features of the Entity framework: 1. Supports multiple databases (Microsoft SQL Server, Oracle, and DB2); 2. Strong mapping engine, well supported storage ...

Analysis of the future development trend of electric business and entity

1th page Electrical and commercial articles if the 2012 is the Battle of the merchants, then the 2013 is the Battle of the integrated platform. Self-self-marketing accelerated platform is the inevitable trend, since the mining has no way to go, only to realize the platform to achieve profitability. From the beginning of "reading", Dangdang began to "play computer" at the moment, both sides in order to compete for users can only lower prices, but the frequent price war squeezing the original because of the logistics caused by the very low profit space, but if not hit the price war, the electricity quotient will be eliminated by consumers, over the whole line ...

Electric Quotient vs Entity store: Who is the best channel for tea sales?

The electric business is undoubtedly the brightest star in the field of industrial economy in the 2012. At the 2012 CCTV Economic figures awards ceremony, Alibaba Group chairman Ma Yun and Wanda Group chairman Wang on "Whether the electricity dealers can replace the traditional shop management" debate. Wang said, "Although the electricity business is very strong now, but will not be able to account for more than half of the share, still have time to test." Ma Yun stressed that, although not the caller can not completely replace the retail industry, but will be basically replaced. Wang also disclosed to the outside, he and Ma Yun privately "have a bet", 2020, such as ...

Chinese entity new electric dealer--big business Dog NET November 8 official online

Big business Group is China's largest department store business group, to "create a world-renowned company" for the enterprise ideal to "unlimited development, meticulous" for the business philosophy. 2013 to achieve sales of 150.4 billion yuan, The realization of tax 4.72 billion yuan, has opened large and medium-sized stores more than 200, distributed in 14 provinces in the country more than 70 more than the level of cities, operating nearly 300,000 products, domestic and foreign direct suppliers million, 230,000 employees, the annual reception of customers 500 million, consecutive years ranked Chinese enterprises hundred strong. In the past 20 years, big business Group has founded Big business Mai Kaile, big business Neumatt 、...

Confrontation: Entity storage PK Cloud Storage The former is the source

About cloud storage and physical storage, I believe that there is a certain understanding, some people say that cloud storage has that function, then the fire, but also with the physical storage? Then I would like to say that they have their own pros and cons, but it is two exactly who is the source who is the auxiliary you know? Here's a quick look at the benefits of cloud storage: the flexibility and ability to quickly share cloud storage represents the future trend, with more and more terminal devices starting to support cloud storage, and many PCs even putting storage devices directly on the cloud, including operating systems and office software from the cloud. Especially in the now 600Mb ...

Cloud storage era: Does entity storage really die?

At present, the concept of the most fire is the cloud, including PCs, mobile phones and even digital cameras and other manufacturers have their own equipment and the cloud link. In particular, in the upcoming 802.11AC Gigabit Wireless network environment, more and more users in the minds of the idea that the future is stored in the cloud, we also need physical storage? In the cloud storage age, does entity storage really die? Cloud storage Theory: Free and quick to share cloud storage represents the future trend, more and more terminal equipment began to support cloud storage, many PCs even put storage devices directly in the cloud, including ...

What is the future direction of the entity retailing industry?

I think these two problems are more ambitious, but it is necessary to think, so I try to answer. Let me answer the second question first. In my understanding, the entity Retail model will not die out, but the immediate and earlier physical retail model will die, these two points are no doubt. Prior to the advent of electricity dealers, physical retailing (such as department stores, supermarkets, shopping malls, stalls) is almost the only way for consumers to buy retail products. During this period, the core mission of the entity retail enterprise is to use the shortest time to sell the most products to maximize profits. In this process, smart companies will be based on the order ...

Wang: Electricity quotient and entity must not be able to

"Maybe I am not good at gambling, I do not know that a billion too big, I knew I would say 1 million, this matter will not fry so long." "December 25, in the" I see the next 20 years, "a large-scale public service speech, Dalian Wanda Group chairman Wang again was asked and Ma Yun's" billion game. " Despite repeated responses to the joke, the planning of Wanda, the commercial carrier, is still full of expectations. At the beginning of December, "Wan Hui Network" on-line, Wanda Electric business model of the beginning of the show. In the words of Wang, "it will never be Taobao, no ...

Overseas fashion electric dealers are laying down the offline entity

The largest U.S. footwear electric Zappos Beach gold holiday in Las Vegas opened a large line shop November 20, located in the United States, Las Vegas City center of the Zappos Guerrilla shop officially opened, stores up to 20,000 square feet, and 7 days 24 hours until December 31, so full time for the entire period of external business, The company explained that because the online customer 3 o'clock in the morning on the Zappos.com site can be as usual shopping, so the offline shop will not close, Zappos in order to maintain the O2O user experience consistency is also spelled. This is not a za ...

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