What Is The Use Of Index In Oracle

Last week, Oracle released a http://www.aliyun.com/zixun/aggregation/8503.html "> Research Report on the effectiveness of data centers", and for most users, Oracle remains a data software provider , so the report looks really odd. 　　But after the acquisition of Sun, Oracle has indeed undergone a huge shift. First, let's take a closer look at the contents of this research report. Oracle in this report puts forward the so-called ...

"IT168 Technical Documentation" Since Oracle and HP launched Exadata, I have been very concerned about this product, and previously wrote an Oracle database machine introduced it. 　　Last year, Oracle and Sun merged to launch Oracle Exadata V2, which has several changes compared to previous generations: first, using sun hardware; second, it claims to support OLTP applications; third, Oracle 11g R2 offers more new features. Exadata S ...

HP's share price has fallen all the way in the past 6 months. Sina Science and technology news Beijing time, August 23 morning, as investors to HP's strategic transformation dissatisfaction, resulting in the technology industry is the lowest valuation level of enterprises, and may be acquired by other enterprises. The stock fell. Hewlett-Packard announced a series of strategic transition plans last week, including the intention to split the PC business, acquire British software company autonomy and close the mobile business. After that, the company's market capitalisation has evaporated 10 billion of dollars. With shares down 20%, HP's dynamic P/E ratio is just 5 times times higher than that of tech companies.

In the field of management information, cloud computing is the world, manufacturers to enter the cloud computing technology market is multifaceted, the major software manufacturers wits, confrontation clouds. Cloud computing system uses a lot of technology, comprehensive, high demand. The programming model, data management technology, data storage technology, virtualization technology, cloud computing platform management technology is the most critical. The fundamental advantage of cloud computing is the increased flexibility and cost savings that are greatly met by business costs and business agility, and create new business models and market opportunities. It can be said that the cloud meter ...

Oracle's software sales continue to grow Xinhua San Francisco March 27 The quarterly financial report released by Oracle, the business software giant, on 25th, showed that its new software sales have been growing year-on-year for two consecutive quarters after a year of decline.　　This is seen as the latest sign of rising corporate information technology spending. According to Oracle, the company's new software license sales reached $1.7 billion trillion in the last quarter ended February 28, up 13% from a year earlier. Regardless of the impact of the acquisition of Solar micro-electronics companies, the year-on-year increase of 10%, higher than Oracle before ...

In recent years, with the continuous innovation and development of the Internet industry, batch after group of websites or be eliminated or stand out, for those successful websites, most of them already exist nearly 10 or more than 10 years, in such a long period of development, in addition to the business facing the challenges, Technically, it's also a lot of challenges. The following selected Alexa rankings of the previous site (ranking up to April 21, 2012, by analyzing how they are technically coping with the challenges of business development process, to a deeper understanding of the development of the Internet industry in recent years. ...

This article is for IBM system architect Mr. Wang Wenjie (valen_won@hotmail.com) in its blog park Zhiding Bowen thinking EXADATA (link original address: http://www.cnblogs.com/wenjiewang/archive/2012/10/07/ 2714406.html) mentioned some of the views on the Exadata from the technical point of view gives my personal opinion of some different, of course, I have limited level, it is inevitable that omissions or mistakes. ...

As an outstanding representative of the Object relational database, Oracle is undoubtedly the most powerful. Whether it's the size of the database, the support of multimedia data types, the parallelism of SQL operations replication, or the security services, Oracle is much stronger than Sybase, Informix, Added to the latest version of the Oracle8.0.4 is to enhance the characteristics of this, but also introduced a number of new features, such as: Data partitioning (partitioning), Object-relational technology (objects relational T ...

After more than eight years of practice, from Taobao's collection business to today to support all of Alipay's core business, and in the annual "Double Eleven Singles Day" continue to create a world record for the transaction database peak processing capacity.

The greatest fascination with large data is the new business value that comes from technical analysis and excavation. SQL on Hadoop is a critical direction. CSDN Cloud specifically invited Liang to write this article, to the 7 of the latest technology to do in-depth elaboration. The article is longer, but I believe there must be a harvest. December 5, 2013-6th, "application-driven architecture and technology" as the theme of the seventh session of China Large Data technology conference (DA data Marvell Conference 2013,BDTC 2013) before the meeting, ...