Designing 1 applications doesn't seem to be difficult, but it's not easy to achieve the optimal performance of the system. There are many choices in development tools, database design, application structure, query design, interface selection, and so on, depending on the specific application requirements and the skills of the development team. This article takes SQL Server as an example, discusses the application performance optimization techniques from the perspective of the background database, and gives some useful suggestions. 1 database design to achieve optimal performance in a good SQL Server scenario, the key is to have 1 ...
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, ...
If I need to run virus scanning software on a machine running SQL Server, what do I do without impacting performance? This depends on the type of virus scanning software that you want to run. There are currently three types of virus scanning software-active virus scanning, virus cleanup, and vulnerability scanning. Active virus scanning software we recommend that you use active virus scanning for the following SQL Server usage scenarios: run on the internet. Read and execute files from other servers. Run an HTTP server, such as Microsoft Internet in ...
1.1: Increase the secondary data file from SQL SERVER 2005, the database does not default to generate NDF data files, generally have a main data file (MDF) is enough, but some large databases, because of information, and query frequently, so in order to improve the speed of query, You can store some of the records in a table or some of the tables in a different data file. Because the CPU and memory speed is much larger than the hard disk read and write speed, so you can put different data files on different physical hard drive, so that the execution of the query, ...
Http://www.aliyun.com/zixun/aggregation/29799.html ">discuz! NT since the design of the beginning to take into account the needs of many stationmaster, virtual host webmaster can also use the pseudo URL address, the background built-in SEO options to help webmasters improve search engine friendliness; editor support automatic Save, prevent accidental loss of content, attachment pictures allow mixed with text, convenient for ordinary visitors; Check code, verification, audit , forum founder and other settings to provide safety and security;
Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall from open source to open, discuz! NT 2.6 is not only a simple function of the upgrade, more important is the application of innovative ideas. discuz! NT 2.6 incorporates a new concept of Community product development and introduces an open API interface. The use of APIs can invoke user information, sections, posts and other content to develop highly integrated with the Forum application. This upgrade requires the use of an upgrade. Upgradein ...
The database server is actually the foundation of every electronic transaction, financial and enterprise resource Planning (ERP) system, and it often includes sensitive information from business partners and customers. Although the data integrity and security of these systems are important, the level of security checks taken against the database is not as high as the security measures of the operating system and the network. Many factors can disrupt data integrity and lead to illegal access, including complexity, poor password security, misconfigured, undetected system backdoor, and mandatory routine use of adaptive database security methods ...
Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall Many users have encountered such embarrassing things, because the server's security vulnerabilities, resulting in the loss of data, permissions have been illegally obtained. Servers are primarily those Web servers, data servers, DNS servers, and mail servers that hold Web sites. Now the main reason why the Web server is hanging horse and black reasons and solutions. The first can be roughly divided into the server itself and the site itself two aspects. The server aspect is as follows: 1 ...
Carry and spread the "Trojan" virus the number of sites to decline for the first time, "Trojan" virus spread the momentum is effectively curbed. Rising company released today, "the first half of 2009 Internet Security Report" shows that the first half of this year, rising "cloud security" system to intercept the "Hanging Horse" page number of 290 million, a total of 1.12 billion times "Trojan" attack reports, Guangdong, Beijing, Hunan is the most affected by the number of three provinces. According to statistics, there are 35% of "Hanging Horse" Web server located in Beijing. Although the number of "Hang horse" site than go ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall site replacement server is the site often need to encounter the inevitable problems, there are many possible reasons, For example, the server hard disk damage, server attacks, server instability, one-way server caused by some users can not access and so on. However, the replacement of the server if the improper operation is very easy to be punished by search engines. Public ...
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