mysql数据库简介外文文献简介：

MySQL Database: An Insightful Overview Based on Foreign Literature MySQL, pronounced as either My SQL or My Sequel, stands as one of the most prominent relationship database management systems(RDBMS) in contemporary computing. Its popularity is attributed to several factors, including its free and open-source nature, strong community support, and robust functionality, making it a preferred choice for numerous web applications. This article delves into the origins, development, features, applications, and advantages of MySQL, drawing insights from foreign literature to provide a comprehensive overview. Origins and Development The journey of MySQL began in the late1970s when Ulf Michael(Monty) Widenius, working for a small company called TcX, created a reporting tool written in BASIC. This tool, initially known as Unireg, ran on a4 MHz computer with just16 KB of RAM. Over time, the tool evolved, being rewritten in C and ported to run on Unix. It started as a low-level storage engine with a reporting front end but laid the foundation for what would eventually become MySQL. In the1990s, TcX customers began demanding an SQL interface for their data. Dissatisfied with the speed of commercial databases and the integration of borrowed mSQL code, Monty decided to write his own SQL interface. This led to the release of MySQL version1.0 in May1996 to a limited group, followed by a public release of version3.11.1 in October of the same year. Initially, MySQL was provided under a special license that allowed commercial use for those not redistributing it with their software. Commercial licenses were available for sale, providing TcX with the revenue necessary to justify further development. As MySQL progressed, it was ported to various operating systems, and its feature set gradually expanded. By the time MySQL was acquired by Sun Microsystems in2008(and subsequently by Oracle in2010), it had become a household name in the world of databases. Key Features and Architecture MySQL is a relational database management system, which means it stores data in different tables rather than in one large warehouse. This design enhances speed and flexibility. The SQL(Structured Query Language) used by MySQL is the standardized language for accessing databases. MySQL offers several key features that contribute to its widespread adoption: 1.Dual Licensing Policy: MySQL is available in both community and commercial versions. The community version remains free and open-source, while the commercial version offers additional support and features tailored for high-demand environments. 2.Cross-Platform Compatibility: MySQL supports a wide range of operating systems, including AIX, FreeBSD, HP-UX, Linux, Mac OS, Novell Netware, OpenBSD, OS/2 Wrap, Solaris, and Windows. 3.Multi-Language Support: MySQL provides support for multiple languages, with encoding options such as GB2312 for Chinese, BIG5 for Traditional Chinese, and Shift_JIS for Japanese. 4.API for Various Programming Languages: MySQL offers APIs for C, C++, Python, Java, Perl, PHP, Eiffel, Ruby, .NET, and Tcl, facilitating seamless integration with various programming environments. 5.Multi-Threading: MySQL supports multi-threading, enabling efficient use of CPU resources. 6.Optimized SQL Query Algorithms: MySQL employs optimized query algorithms to improve query performance. 7.TCP/IP, ODBC, and JDBC Connectivity: MySQL provides multiple database connection pathways, including TCP/IP, ODBC, and JDBC. 8.Management Tools: MySQL offers tools for managing, inspecting, and optimizing database operations. 9.Storage Engines: MySQL supports multiple storage engines, each with its own set of features and use cases. The most common engines include: - MyISAM: The default engine before MySQL5.0, known for high insertion and query speeds but lacks support for transactions. - InnoDB: The preferred engine for tr