What is it
MySQL is a widely used open-source relational database management system, known for its speed, reliability, and tight integration with web development stacks — undergraduate study covers its specific features, performance tuning, and common use in web applications.
Why it matters
MySQL powers a huge proportion of the web, from small personal projects to major platforms, and its open-source, free-to-use nature has made it one of the most commonly encountered databases for students and professionals working in web development.
Exam tip
Understand the different MySQL storage engines (particularly InnoDB versus MyISAM) and when each is appropriate — this choice affects transaction support and performance significantly, and it's a common point of confusion for students new to MySQL specifically.
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