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所在平台: Udemy |
课程主页: https://www.udemy.com/course/basic-mysql/
课程评论：没有评论
《MySQL基础》课程总结 本课程专注于全球最广泛使用的关系型数据库系统之一——MySQL。随着企业日益依赖数据驱动决策，SQL（尤其是MySQL）熟练度已成为开发者、测试人员、分析师和数据工程师必备的技能。 **课程核心内容：** * **数据库基础与表操作：** 学习如何创建包含主键（PRIMARY KEY）、非空约束（NOT NULL）、自增（AUTO_INCREMENT）等约束的表。 * **数据管理：** 掌握如何插入和更新数据，包括批量插入操作。 * **数据查询：** 运用SELECT、WHERE、ORDER BY和LIMIT等语句进行数据检索。 * **安全操作：** 理解DELETE与DROP的区别，并学到如何安全地使用它们。 * **高级查询：** * **JOINs：** 学习 INNER JOIN, LEFT JOIN, RIGHT JOIN 等连接方式的实际应用。 * **子查询：** 掌握如何在 SELECT, FROM, WHERE 子句中有效使用子查询。 * **UNION vs UNION ALL：** 区分UNION和UNION ALL，并了解何时使用它们。 **课程特色：** * 通过互动式示例和多项选择题，帮助学习者在每个阶段评估自己的理解程度。 * 教授应对SQL相关面试问题的技巧，涵盖UNION、JOIN、GROUP BY、DELETE vs DROP等概念。 **学习成果：** 完成课程后，学员将能够自信地证明自己具备2-3年的MySQL实践经验，熟悉MySQL语法、命令和最佳实践，即使是零数据库背景的学习者也能熟练掌握。
In this course, we're focusing on MySQL, one of the most widely used relational database systems in the world.As businesses increasingly rely on data-driven decisions, SQL proficiency-especially in MySQL-is becoming a must-have skill for developers, testers, analysts, and data engineers.In this course, I teach you how to handle real-world data operations using SQL, from creating and modifying tables to performing complex joins and subqueries.We explore core MySQL concepts through interactive examples, and multi-choice questions help you evaluate your understanding at every stage.You'll also learn how to confidently answer SQL-related interview questions using concepts like UNION, JOIN, GROUP BY, DELETE vs DROP, and more.After completing this course, you'll be able to confidently justify 2-3 years of hands-on experience in MySQL.You'll become familiar with MySQL syntax, commands, and best practices, even if you're starting with zero database background.What You Will Learn:How to create tables with constraints like PRIMARY KEY, NOT NULL, AUTO_INCREMENTHow to insert and update data, including batch insertsHow to query data using SELECT, WHERE, ORDER BY, and LIMITThe difference between DELETE vs DROP, and how to use both safelyReal-world use of JOINs: INNER JOIN, LEFT JOIN, RIGHT JOINHow to write and use subqueries effectively inside SELECT, FROM, and WHEREDifferences between UNION and UNION ALL, and when to use each
