mysql is a relational database management system developed by the Swedish MySQL AB company and is a product of Oracle. MySQL software adopts a dual authorization policy and is divided into community version and commercial version. Due to its small size and fast speed , The total cost of ownership is low, and MySQL is generally chosen as the website database for the development of small and medium-sized websites.
The operating environment of this article: Windows 7 system, mysql version 8.0, Dell G3 computer.
What database is mysql?
MySQL is the most popular relational database management system. In terms of WEB applications, MySQL is the best RDBMS (Relational Database Management System: Relational database management system) one of the application software.
MySQL is a relational database management system developed by the Swedish MySQL AB company and is a product of Oracle. MySQL is one of the most popular relational database management systems. In terms of WEB applications, MySQL is one of the best RDBMS (Relational Database Management System) application software.
MySQL is a relational database management system. A relational database stores data in different tables instead of placing all data in one large warehouse, which increases speed and flexibility.
The SQL language used by MySQL is the most commonly used standardized language for accessing databases. MySQL software adopts a dual licensing policy and is divided into community version and commercial version. Due to its small size, fast speed, low total cost of ownership, and especially the characteristics of open source, MySQL is generally chosen as the website database for the development of small and medium-sized websites.
System Features
1． MySQL is written in C and C and tested using a variety of compilers to ensure source code portability.
2. Supports AIX, FreeBSD, HP-UX, Linux, Mac OS, NovellNetware, OpenBSD, OS/2 Wrap, Solaris, Windows and other operating systems.
3． APIs are provided for multiple programming languages. These programming languages include C, C, Python, Java, Perl, PHP, Eiffel, Ruby, .NET and Tcl, etc.
4． Supports multi-threading and makes full use of CPU resources.
5. Optimized SQL query algorithm effectively improves query speed.
6． It can be used as a standalone application in a client-server network environment, or it can be embedded in other software as a library.
7． Multi-language support is provided. Common encodings such as Chinese GB 2312, BIG5, Japanese Shift_JIS, etc. can be used as data table names and data column names.
8. Provides multiple database connection channels such as TCP/IP, ODBC and JDBC.
9. Provides management tools for managing, checking, and optimizing database operations.
10． Supports large databases. Can handle large databases with tens of millions of records.
11. Supports multiple storage engines.
12.MySQL is open source, so you don’t need to pay extra.
13.MySQL uses the standard SQL data language form.
14.MySQL has good support for PHP, which is a popular web development language.
15.MySQL can be customized and adopts the GPL protocol. You can modify the source code to develop your own MySQL system.
16. Online DDL/change capabilities, data architecture supports dynamic applications and developer flexibility (new in 5.6)
17. Replicate global transaction identifiers to support self-healing clusters ( New in 5.6)
18. Copying crash-free slaves can improve availability (new in 5.6)
19. Copying multi-threaded slaves can improve performance (new in 5.6)
20.3 times faster performance (new in 5.7 [3])
21. New optimizer (new in 5.7)
22. Native JSON support (new in 5.7 )
23. Multi-source replication (new in 5.7)
24. GIS spatial expansion [4] (new in 5.7)
[Related recommendations: mysql video tutorial】
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