Repair Master Database

No database system can avoid a crash situation, even if you use a clustered, two-machine hot standby ... It is still not possible to completely eradicate the single point of failure in the system, and for most users, this expensive hardware investment cannot be sustained. So, when the system crashes, how to restore the original valuable data becomes an extremely important problem. In the recovery, the ideal situation is that your data files and log files are intact, so that only need to sp_attach_db, the data file attached to the new database, or in the downtime of the ...

No database system can avoid a crash situation, even if you use a clustered, two-machine hot standby ... It is still not possible to completely eradicate the single point of failure in the system, and for most users, this expensive hardware investment cannot be sustained. So, when the system crashes, how to restore the original valuable data becomes an extremely important problem. In the recovery, the ideal situation is that your data files and log files are intact, so only need to sp_attach_db, the data file attached to the new database, or in the downtime ...

The way of Wushu stresses the combination of form and spirit, both inside and outside. However, the world Martial arts, more research Wei Gong, but rare constant practice of the people. All because of the Wei Gong, the acquisition of convenience, the time spent is short and small, regardless of what kind of internal strength, few years, many decades can be effective. 　　Therefore, the real martial arts in addition to a variety of outside the law, will also practice one or two kinds of internal kung fu to complement their shortcomings. In Wu's view, the Internet world can be Sango. For example, Google, Gmail user accounts by the black, icloud photos of the crazy leak, and then to the global prism door, snow this series ...

In 2017, the double eleven refreshed the record again. The transaction created a peak of 325,000 pens/second and a peak payment of 256,000 pens/second. Such transactions and payment records will form a real-time order feed data stream, which will be imported into the active service system of the data operation platform.

Simply put, a cluster (cluster) is a group of computers that provide users with a set of network resources as a whole. These individual computer systems are the nodes (node) of the cluster. An ideal cluster is that the user never realizes the nodes at the bottom of the cluster system, in their view, the cluster is a system, not multiple computer systems.     And the administrators of the cluster system can add and revise the nodes of the cluster system at will. Below on the server commonly used three cluster software to do a comparative analysis of the introduction: 1 ...

In the daily link to the Silicon Valley, the most fresh information! The "Silicon Valley" here refers to the typical and innovative business representatives abroad. 1. Samsung announces next month to open the virtual reality blindfold Gear VR http://tech.ifeng.com/a/20141113/40866955_0.shtml Beijing Time November 13 News, according to Science and technology blog TechCrunch Report, Samsung unveiled its virtual reality eye patch gear at the beginning of next month at a developer conference in Wednesday.

Currently on the NT Server intrusion, there are many ways, such as the use of IIS vulnerabilities, but you do not know that there is no, in fact, with the NT Server associated with the SQL database server example is a very proportional means. Herbless intrusion of some sites, such as legoland.co.uk site is through the intrusion of SQL Server to gain control of the system and destroyed. So the protection of SQL Server is essential, here I have some loopholes for you to refer to. ---------------...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Lobby Enterprise construction site is one of the purposes of propaganda enterprise image, products or services, to achieve this goal, the enterprise's website must be vigorously promoted, so that relevant people know or access.  Website Promotion method has many kinds, here introduces three kinds of most effective enterprise website promotion method. The online promotion method has the characteristics of low cost and remarkable effect, which is the best way to promote the Enterprise website.

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) ...

WordPress is the best PHP open Source Blog program, now a lot of webmaster do choose it to do SEO, that is because it is the program itself in the site optimization to do very good, and small, easy to master. This article is mainly about how to do in WordPress some simple optimization, if you want to do a blog, do optimization test, etc. please understand this article, I think you will have unexpected harvest. WordPress 2.8.6 Security Update Just a few days, today, November 16, WordPress official released Wordpres ...