How Do You Query A Database

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Wang Tao: How traditional IT people use database thinking to understand blockchain

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.

Set up MySQL query optimization from four details

It is well known that query optimization is an unavoidable topic in any database. For database engineers, optimization is the most challenging job. MySQL Open source database is no exception. In fact, the author believes that the database optimization is not as much as we imagine the suffering.   Under normal circumstances, you can start from the following four details to do a good job in the MySQL database query optimization. First, use the Explain keyword to evaluate the flaw in the query statement as shown in the following figure, now the author in the database to execute a simple select ...

Controlling database access through Windows Azure SQL database firewall rules

Today's article comes from the technical writer Kumar Vivek of our user Experience team. This article briefly outlines the newly introduced database-level firewall rules in Windows http://www.aliyun.com/zixun/aggregation/13357.html ">azure SQL database." Windows Azure SQL Database firewall can prevent others from accessing your SQL database to help protect your data. You can specify fire protection ...

The successful way of Internet Entrepreneurship (v.): Database backup and management of Web site

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall website completes, the maintenance and the management becomes the work which needs to carry on continuously.   In this chapter, the site will be optimized for internal links, efficient maintenance, PR upgrade way to introduce. First, optimize the internal links of the site two, the site efficient maintenance of three common sense three, improve the site PageRank have a coup four, site exchange links to beware of counterfeit five, against the vulgar ban on the site's illegal content six, simple configuration let Web server impregnable ...

Database server Security

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 ...

Summarization of database encryption technology

The necessity of database encryption large database management system platform is typically Windows NT and Unix, these operating system security level is usually C1, C2 level. They have user registration, user identification, Arbitrary access control (DAC), audit and other security functions. Although the DBMS on the basis of the OS added a number of security measures, such as access control based on permissions, but the OS and DBMS on the database file itself is still lack of effective protection measures, experienced online hackers will "bypass", directly using the OS tools to steal or tamper with the database files ...

"Shared database" in cloud computing

With the advent of cloud computing, there are many new nouns, such as cloud database, cloud storage, elastic expansion, resource isolation and so on.   The following is the hot "shared database" for everyone to explain what is called "shared database". I introduce myself first, I am engaged in IT industry 10, was an architect many years ago.   Below is a personal experience, as well as with some Google, BAT, Jingdong and other companies cloud computing architects to get the summary of the experience, for you to analyze what is a "shared database." What is shared data ...

Analysis of database security and development based on cloud computing

Cloud services and cloud computing any web-based applications and services provided by cloud computing can become cloud services. Cloud services This model can significantly improve the interests of smaller companies and enterprises, compared with the company-specific ERP, the use of cloud services such a model can achieve centralized resource allocation and resource management, but also better meet the needs of users, to achieve procurement configuration, to avoid waste of resources. The company's professional and technical personnel will be regularly maintained and maintained, can significantly reduce costs.   The reliability, expansibility and stability of the system are improved remarkably. The advantages of cloud services are low cost and similar to China ...

Analyzing "shared Database" in the cloud Platform

I first http://www.aliyun.com/zixun/aggregation/7415.html "> Self-introduction, I engaged in IT industry 10, years ago is an architect, now in an internet company as product manager, below is personal experience , as well as with some cloud computing architects to exchange the experience of the summary, the following on the Beijing-East Cloud Database For example, there are improper please forgive me. What is a shared database talking about "shared database", what puzzles us most is "...

Webmaster should know search engine query command

The intermediary transaction SEO diagnose Taobao guest Cloud host technology Hall as an SEO practitioner needs to know the knowledge is too broad, yesterday I also share with you "stationmaster transforms into search engine optimization Master Road", whether is the grassroots stationmaster or the optimization master, but all with website construction, search engine optimization, Search engine marketing and so on are related to need them to understand. A lot of webmaster for search engine is not very understanding, want to fully understand and grasp search engine pulse also need to know search engine basic Query command, these commands can let you to search engine's ...

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