Oracle Explain Plan Cost

This year, big data has become a topic in many companies. While there is no standard definition to explain what "big Data" is, Hadoop has become the de facto standard for dealing with large data. Almost all large software providers, including IBM, Oracle, SAP, and even Microsoft, use Hadoop. However, when you have decided to use Hadoop to handle large data, the first problem is how to start and what product to choose. You have a variety of options to install a version of Hadoop and achieve large data processing ...

Beijing also has an area of 7000 square meters of "cloud base", here is China's cloud computing business "Silicon Valley." It is trying to create a complete cloud-computing industry chain for China, hatching the world's best cloud computing operator as many companies are about to enter the cloud. Article │ This newspaper correspondent Qionghua Beijing head a Xiangyun. Cloud base, located in the Beijing Economic and technological Development zone of the North Industrial Software Park, covers an area of 7000 square meters, August 2010 into use, Tian led the broadband capital has invested 9 start-up companies, the amount of about 500 million yuan. ...

Hewlett-Packard CEO Whitman Sina Technology news Beijing Time September 24 morning, according to people familiar with the matter, HP CEO Whitman (Meg Whitman) will continue to adhere to the existing strategy, will not make drastic adjustments, hoping to help the PC manufacturers to reverse the dilemma. Progressive development people familiar with the matter said Whitman, who was CEO of Hewlett-Packard a year ago, plans to expand its business with new products, including software and tablets for corporate users, and a combination of storage, computing, and network capabilities.

For product managers, to win the respect and support of developers, in a sense, is the product to achieve a solid step towards success. 　　Recently, the community of developers and managers in the first and last two posts in the intense discussion, there is no lack of insights. 　　Lin Zhilin cray that product managers ' decisions and actions should serve the goals of the project, not the struggle, and team management should be noted for: 1. Understand art/front-end/back-end working principle. If you know the art design main Menu hover two level of irregular projection will waste the front end ...

First, the initial understanding of large data seems to be overnight, big data becomes one of the most fashionable words in the IT industry. First of all, big data is not a completely new thing, Google's search service is a typical large data use, according to customer demand, Google real-time from the global mass of digital assets (or digital garbage) ...