Database Restore Taking Long Time

Data Warehouse Environment, ORACLE rac,100t data, daily archive that amount of 5T (for data that does not need to be backed up, has been adopted in a nologging way to reduce the number of files), how to develop backup and recovery scenarios? Programme I: DataGuard DataGuard is the most cost-effective backup and disaster-recovery solution, but when the archive exceeds a certain scale, DG Restore becomes the bottleneck, the daily production of the archive can not be restored in time, we have tried many tuning methods, including parallel recovery, can not be resolved, recovery ...

Skepticism is a double-edged sword. Without skepticism, IT managers might invest in software that is useless. Enough scepticism can allow IT departments to wait for enough evidence to prove that a particular platform can deliver good results. Data analysis of medical industry reaching critical mass data analysis has now reached a tipping point for the medical profession. Some vendors promise to provide better quality of care while reducing spending, but there is evidence that these claims are controversial. Similarly, critics of the big data movement point out that the healthcare industry is running ...

China Sunshine Private Equity fund industry's first exchange platform, "Chinese Sunshine Private Club" unveiled Securities star June 21, the domestic investment industry's top event-"The First China Sunshine Private Equity Summit" held in Shanghai World Financial Center.　　From Shanghai Financial Services Office, exchanges, securities companies, trust companies, Sunshine Private equity company and other fields of more than 400 guests gathered, jointly explore the development prospects of China's private equity funds and investment opportunities in the second half, and the annual outstanding private equity fund managers, management agencies to carry out awards. The summit by the first financial cooperation with the securities star ...

The first chapter of this book excerpt from "Storytelling for User Experience" in the author: Whitney Ouesenbery and Kevin Brooks, translated by the Graduate School of Design, Jiangnan University, Sun Qiyu. Why tell a story? We all tell stories, which is one of the most natural ways to share information, and it's just as old as humans. This book is about using one of the skills you have in a whole new way: Apply storytelling to UX design. As a user experience ...

Typically, most Web sites are designed to provide instant information access to visitors in the most acceptable way. In the past few years, the increasing number of hackers, viruses and worms security problems have seriously affected the accessibility of the site, although the Apache server is often the target of attackers, but Microsoft's Internet Information Services (IIS) Web server is the real target. Higher education institutions often cannot find a balance between building vibrant, user-friendly web sites or building high-security sites. In addition, it ...

Some tests are being done lately, with partial support for a smooth beta of the product. The following is the test of the Desktop. The first part: Windows programming UI design 1. Background introduction UI is the user interface (user-interface), is the interface between people and tools. In the process of human-machine interaction, it must be through the interface. This interface is actually reflected in every aspect of our lives, for example, when we drive the steering wheel and dashboard is this interface, watching TV when the remote control and the screen is this interface, the keyboard when using the computer ...

Has the "Big data" era come? The trend is a ridiculous and respectable force: today, if you open any media, if not mention "big data", I am afraid to be embarrassed to publish. This trend is so overwhelming that even state leaders are no exception. 　　The question is: Why does everybody say Pro data? The value of data, with the exponential growth of data volume, has no longer been able to show through the traditional charts, which is why business intelligence has not yet become popular, has been "data analysis" to squeeze the stage. Because, the value hides in the data, needs the data analysis to be able to release these ...

According to reporter Yang Jue Xuan from Guangzhou editor In recent years, as one of the Internet financial hot spots P2P industry, its development can be described as twilight. On the one hand, platform outbound events are frequent; on the other hand, P2P platforms have also been heavily funded by venture capital. In the regulatory details have not been introduced today, P2P industry, all kinds of potential risks in particular, investors should be wary. Recently, Guangzhou hereditary Investment Management Co., Ltd. was the first round of financing by Shenzhen UBS Watson Ventures 15 million US dollars of news, causing great concern to the industry. Daily Economic News reporter found that this round of financing related parties ...

Server virtualization can achieve physical server integration, breaking the original "one server one application" mode. By sharing hardware resources among a large number of virtual machines, the utilization of hardware resources is increased, the number of physical servers is reduced, and hardware procurement and running costs are reduced. This article explores the benefits of server virtualization and the security risks of deploying secure servers. 1. Introduction with the development of IT technology, virtualization has become the hottest topic in the enterprise computing market. In the past two years, the virtualization technology has been developed continuously, product application scope is more and more wide, domestic users through ...

A few months ago, Hollywood burst into a "pornographic" crisis, the scope of a wide range of staggering. While appreciating the sexy photos, it was noted that this information disclosure incident, although derived from the indifference of the celebrities ' privacy protection consciousness, but the real spread of the photos to the extent that people know the fuse, is that hackers in the "dark Net" on the price of selling these photos, which constitute the buyer two times the key prerequisite for transmission. The so-called "dark Net", its English original name as "Deep Web", also known as Deep network, it has a generic meaning and refers to the definition of two levels. First of all, broad sense ...