Oracle Recover

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 ...

Beijing time April 1 Evening News, Gartner published a report in Monday, the global software industry in 2013 total revenue of 407.3 billion U.S. dollars, the year-on-year growth of about 5%. Microsoft is still the world's largest software company, with software revenues of about 65.7 billion dollars. Second, Oracle, which has a software business revenue of 29.6 billion dollars, has surpassed IBM in one fell swoop. IBM ranked third with software business revenue of 29.1 billion dollars. Chad Essing Chad Eschinger, Gartner analyst, said in a statement: "Since we launched the ranking ...

Sina Science and technology news Beijing time April 1, Gartner reported in Monday, the global software industry in 2013 total revenue of 407.3 billion U.S. dollars, the year-on-year growth of about 5%. Microsoft is still the world's largest software company, with software revenues of about 65.7 billion dollars. Second, Oracle, which has a software business revenue of 29.6 billion dollars, has surpassed IBM in one fell swoop. IBM ranked third with software business revenue of 29.1 billion dollars. Chad Eschinger, Gartner analyst, said in a statement: "From Chad Essing.

Content Summary: The data disaster tolerance problem is the government, the enterprise and so on in the informationization construction process to be confronted with the important theory and the practical significance research topic. In order to realize the disaster tolerance, it is necessary to design and research the disaster-tolerant related technology, the requirement analysis of business system, the overall scheme design and system realization of disaster tolerance. 　　Based on the current situation of Xinjiang National Tax Service and the target of future disaster tolerance construction, this paper expounds the concept and technical essentials of disaster tolerance, focuses on the analysis of the business data processing of Xinjiang national tax, puts forward the concrete disaster-tolerant solution, and gives the test example. Key words: ...

"40 years ago, I went back to the United States from Vietnam and had access to the technology and business of data processing in the military, when IBM said that only a few computers would be able to handle most of the world's work."　　"In the afternoon of San Francisco, standing at the main venue of Moscone Center, former U.S. Secretary of State Colin Powell was talking. You might be wondering why Powell has bypassed the hottest Sino-US relationship, but is interested in talking about data processing, Facebook and Twitter? The answer is simple, because he is facing more than 1700 ...

A, virtualization virtualization refers to the ability to simulate multiple virtual machines on the same physical machine. Each virtual machine has a separate processor, memory, hard disk, and network interface logically. The use of virtualization technology can improve the utilization of hardware resources, so that multiple applications can run on the same physical machine with each other isolated operating environment. There are also different levels of virtualization, such as virtualization at the hardware level and virtualization at the software level. Hardware virtualization refers to the simulation of hardware to obtain a similar to the real computer environment, you can run a complete operating system. In the hardware virtual ...

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.

We want to do not only write SQL, but also to do a good performance of the SQL, the following for the author to learn, extract, and summarized part of the information to share with you! (1) Select the most efficient table name order (valid only in the Rule-based optimizer): The ORACLE parser processes the table names in the FROM clause in Right-to-left order, and the last table in the FROM clause (the underlying table driving tables) is processed first, In the case where multiple tables are included in the FROM clause, you must select the table with the least number of records as the underlying table. If...

The Sunrise River bonus wins the fire, the Spring River Green is blue.         All the things in spring, the scenery is infinite. The year of the snake has been in the past a period of time, that period of time, the manufacturers are gearing up, determined, set off a new wave of spring offensive let us see is soul-stirring. Various routes in the Battle of the Battle CRM, online SaaS most popular 2012, ...

The advent of the 4G era, enterprise data faced with explosive growth, mobile TB; At the same time, human factors, software defects, uncontrollable natural disasters and other security problems occur frequently, how to make the enterprise data security and reliable, low-cost and efficient long-term preservation, has become an urgent concern for any enterprise. Fortunately, the cloud era accompanied by the 4G era, the core advantages of cloud computing: cost-effective, resource allocation, infrastructure flexibility, business smooth switching, bandwidth and storage unlimited expansion features. Multi-backup cloud backup, cloud recovery, cloud archiving and other special ...