How To Design Database In Mysql

Naresh Kumar is a software engineer and enthusiastic blogger, passionate and interested in programming and new things. 　　Recently, Naresh wrote a blog, the open source world's two most common database MySQL and PostgreSQL characteristics of the detailed analysis and comparison. If you're going to choose a free, open source database for your project, you may be hesitant between MySQL and PostgreSQL. MySQL and PostgreSQL are free, open source, powerful, and feature-rich databases ...

Intermediary transaction SEO diagnose Taobao guest Cloud host technology Lobby database optimization is a very complex task, because it ultimately requires a good understanding of system optimization. 　　Even though the system or application system does not know much about the optimization effect is good, but if you want to optimize the effect of better, then you need to know more about it. 1, the optimization of the system to run faster the most important factor is the basic design of the database. 　　And you have to be aware of what your system is going to do, and the bottlenecks that exist. The most common system bottlenecks are as follows: ...

Intermediary trading SEO diagnosis Taobao guest hosting technology hall As we all know, PHP and ASP.NET is the site needed to build, some time ago Xiaobian and we share the difference between the two companies choose to set up; However, there are many novice webmaster said it is not clear to use What is the difference between MySQL and Access databases, Xiao Bian today for everyone a simple analysis of the difference between the two. What is MySQL and Access? Microsoft Office Access is Microsoft's database engine graphical user interface and ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall This article briefly introduces a simple and easy to use graphical interface backup restore MySQL database method, Use the workbench graphical interface for MySQL database recovery backup. 　　It's helpful to friends who don't like to use the command line. Workbench is MySQL AB ...

MySQL Workbench is an er/database modeling tool designed for MySQL. It is the famous database http://www.aliyun.com/zixun/aggregation/6993.html "> Design tool DBDesigner4 successor. You can design and create new database diagrams, build database documents, and perform complex MySQL migrations (zsh) with MySQL Workbench. MySQL Wor ...

Here's an excerpt of the background, followed by a record of the operations I migrated from MySQL 5.5.31 to mariadb 5.5.31 on CentOS 6.4. 　　Finally, I found a better way to migrate. 1. Background introduction MySQL is the world's most popular open source relational database. 2008, Sun acquired MySQL. Then, in 2010, Oracle bought Sun, and MySQL fell into Oracle's hands. Oracl ...

As the most popular open source database, MySQL is widely used in Web applications and other small and medium-sized projects. However, in many large IT companies, MySQL has gradually deviated from the original open source version after being highly optimized and customized, more like a branch, such as the Webscalesql of Facebook, which was not long ago open source. 　　Recently, Mr. Xiong has published a blog post, from the perspective of large-scale web site architecture development of the changes in MySQL application, here for you to share. This article mainly describes the different and ...

1, use the index to traverse the table faster. The index created by default is a non-clustered index, but sometimes it is not optimal. Under non-clustered indexes, the data is physically stored on the data page. Reasonable index design should be based on the analysis and prediction of various inquiries. In general: a. There are a large number of duplicate values, and often range query (>, <,> =, <=) and order by, group by occurred columns, consider the establishment of cluster index; Column, and each column contains duplicate values ​​can be ...

MySQL optimization is very important. The most common and most needed optimization is limit. 　　The limit of MySQL brings great convenience to paging, but when the amount of data is large, the performance of limit is reduced dramatically. The same is 10 data select * FROM Yanxue8_visit limit 10000,10 and select * from Yanxue8_visit limit 0,10 is not a quantitative level ...

As we all know, when it comes to cloud computing, extensibility tends to appear in the same sentence. But the database is rarely mentioned, let alone the MySQL database. Parelastic, a Boston start-up company, wants to change the status quo and has just won a 5.7 million dollar a round of financing from General Catalyst, the new "owner" of former VMware CTO Steve Herrod. Parelastic is located between the application and the underlying database, and requires no complex points ...