The concept of blockchain to technology has been around for a long time, but with the heat of the past two years, it has gradually become known by the market and many technicians.
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 ...
From CodeRED to Nimda and so on, a lot of worms to the original need to manually use the vulnerability into a program automatically use, do you want to manually operate these IIS vulnerabilities? Let's adjust the center of gravity to see the database used by the server. General Web sites are based on the database, especially ASP, PHP, JSP, such as the use of the database to dynamically display the site. Many web sites may be more aware of operating system vulnerabilities, but the database and the security of these scripts are always ignored, and not much attention. Starting with the most common scripting questions, these are old topics ...
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 ...
Data tampering is to modify, add or delete computer network data, resulting in data destruction. The database data was attacked first to see if it was deleted or tampered with? Is there any backup data that can be restored and reinforced? This article comes from the database technical expert Zhang, mainly describes the MySQL attack tampering data, utilizes the Binlog from the library backup and the main library to carry on the incomplete recovery. The following is the author's original: First, the discovery of the problem today is 2014-09-26, development early in the morning that the database was attacked. The article in the database of an article table ...
Orientdb is an open source, non relational database management system. It is used under general hardware and can be stored at the speed and capacity of 150,000 files per second. It is written in Java and belongs to a document database that supports acid Tx, http://www.aliyun.com/zixun/aggregation/16666.html ">indexes, asynch queries, SQL Layer, clustering, etc., support ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall website has been built for one months, The total feeling of each login is entered user name admin is a how low things ah, so find a variety of online modification methods after the trial, may be due to improper operation in the database when restoring the database is really completely restored, the background system inside the database dede-a ...
With the rapid development of IT technology, the virtualization technology is becoming more and more mature, and more and more enterprises are starting to deploy the virtualization platform because of its obvious advantages in the capital saving and it efficiency. The number of LPARs in a virtualized platform increases as the business grows, and rapid deployment of the operating system becomes a must. The general deployment of an AIX operating system takes about 50 minutes and requires more human involvement, and takes up a lot of time and effort from the administrator. To improve the deployment speed and flexibility of the system, this article will focus on the existing IBM power V ...
The intermediary transaction SEO diagnose Taobao guest Cloud host technology Hall now many enterprises are starting to organize their own database, want to promote sales through it, enterprises want to develop the choice of this method is very correct, but on the database marketing some statistics and customer maintenance methods, some enterprises do not perfect, Because now the city of the company is also doing database marketing, so there is some understanding of this, because we have to do the database master, empty city is only to elaborate on his point of view, I hope you can help the business owners. What is database marketing?...
Intermediary trading http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall Friends everyone good, I believe we now use Dede more and more users, Dede very good, In particular, such as our small webmaster, using this CMS to feel particularly convenient, very human operation and SEO, open source, easy to modify and so on are a major feature of it, with many people, will inevitably have many new problems ...
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