Oracle Sum Over Group By

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A tender purchase contract, the 12306 site again to the cusp of

Absrtact: A tender purchase contract will push 12306 websites to the cusp again. A few days ago, media reports said that Taiji group to undertake 12306 Web site projects Two contracts were exposed, the contract amounted to 200 million yuan, plus the previous burst Tai Chi group and the same party group, respectively, a tender purchase contract, will be 12306 sites again pushed to the forefront. A few days ago, media reports said that Taiji group to undertake 12306 Web site projects Two contracts were exposed, the contract amounted to 200 million yuan, plus the previous burst Tai Chi group and the same party group won the bid 12306 nets ...

12306 Real-site cost survey: cost only 100 million but consume 500 million

A tender purchase contract, the 12306 Web site again pushed to the cusp. Recently, a media report said, Taiji group to undertake 12306 Web site projects Two contracts were exposed, the contract amounted to 200 million yuan, plus the previous burst Tai Chi group and the same party group won the bid 12306 sites, the winning amount is 199 million yuan and 130 million yuan respectively. At this point, 12306 of the site cost more than 500 million yuan. "According to the 12306 Web site traffic and order volume requirements to calculate, uttered, the total cost of building this site spent more than 100 million yuan, at most not need super ...

What mistakes lead to a startup failure

In a recent speech, I was asked what mistakes led to the failure of entrepreneurship. Standing there for a few seconds, I realized that it was a difficult question to answer. It's a question of how a start-up can succeed. If you can avoid all the mistakes that lead to failure, you will naturally succeed.   This question is too big to answer clearly in such a short time. Then I realized that it might make sense to look at it from another perspective. If you have a list that lists all the things you shouldn't do, just take the list and you'll have to ...

You need to be aware of 18 reasons why Internet startups fail

In my recent speech, someone once asked me, what mistakes will ultimately lead to the failure of entrepreneurship? When I stood there for a few seconds, I realized that it was a difficult question to answer. Because it's asking: How can a startup succeed. If you can avoid all the mistakes that will lead to failure, you are sure to succeed.   So this question is so big that it makes it difficult for me to answer clearly in such a short time. But then I realized that it might make sense to look at it from another perspective. Because if you have a list, in the clear ...

18 reasons why Internet entrepreneurs fail

In a recent speech, I was asked what mistakes led to the failure of entrepreneurship. Standing there for a few seconds, I realized that it was a difficult question to answer. It's a question of how a start-up can succeed. If you can avoid all the mistakes that lead to failure, you will naturally succeed. This question is too big to answer clearly in such a short time. Then I realized that it might make sense to look at it from another perspective. If you have a list that lists all the things you shouldn't do, just take the list and you get a ...

Log analysis methods overview How to be simpler and more valuable

Intermediary transaction SEO diagnosis Taobao guest Cloud host Technology Hall log is a very broad concept in computer systems, and any program may output logs: Operating system kernel, various application servers, and so on.   The content, size and use of the log are different, it is difficult to generalize. The logs in the log processing method discussed in this article refer only to Web logs. There is no precise definition, which may include, but is not limited to, user access logs generated by various front-end Web servers--apache, LIGHTTPD, Tomcat, and ...

Birthday party raises price war for electricity dealers

BEIJING, the It channel map with editor's note: In the first half of 2012 years, the competition for the major web sites surging, gome and other traditional channels such as Su Ning High high-profile entry, Taobao Mall in the name of the cat continued to strong performance, shouting "No fear" and "positive energy" of every guest in this spring feel more chill, About Jingdong Mall Capital tight and the rumors still on the market, Dangdang resolutely layout platform, and Amazon is more efforts to please local users ... Beijing, the recent introduction of IT Channel "business" series of reports, for you comb the major enterprises in 201 ...

Why do some companies prefer to use the R + Hadoop solution in the machine learning business?

Introduction: It is well known that R is unparalleled in solving statistical problems. But R is slow at data speeds up to 2G, creating a solution that runs distributed algorithms in conjunction with Hadoop, but is there a team that uses solutions like python + Hadoop? R Such origins in the statistical computer package and Hadoop combination will not be a problem? The answer from the king of Frank: Because they do not understand the characteristics of R and Hadoop application scenarios, just ...

The sleepless nights of "life Alone"

Absrtact: September 19, Sino years, the calendar says this is a suitable opening, trading, the days of the Treasury. This day of the night, Ali headquarters in Hangzhou Yu Hangwen Extension of the section of the Alibaba West Creek Park, Tencent Technology and Ali many employees together, joint September 19, Sino years, the calendar is written this is a suitable opening, trading, the days of the Treasury. This day of the night, Ali headquarters in Hangzhou-Yuhang Wen Yi West Road extension of the Alibaba West Creek Park, Tencent Technology and Ali many employees together to witness the passage of the "life ..."

What should the social network do for product operations?

How does product operations manage social networks? Users have long been smarter, they no longer believe in cramming, and are more willing to believe in the Word-of-mouth of social networking (SNS) and the recommendation of friends on Twitter.   How to make better use of social networks? This article is the 50 of Jin Peng far to the social network thinking and experience sharing. 1, most, no, is most of the social networking platform is the enterprise from the media this perjury to be a swindle. As a result, they forget the foundation of the social network, and hurry to use the media, it became a carnival of self-deception. No matter ...

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