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所在平台: Udemy |
课程主页: https://www.udemy.com/course/mysql-interview-questions-answers/
课程评论：没有评论
**MySQL面试宝典：通往高薪的必修课** 本课程专为希望提升MySQL技能并为面试做充分准备的学员设计。我们将深入探讨超过40个最常被问到的MySQL面试题目，涵盖从基础概念到高级特性。 Every question comes with practical examples and guidance on how to articulate your answers effectively. **课程亮点：** * **全面覆盖：** 掌握面试中几乎所有关键的MySQL知识点，包括： * **数据库设计：** 范式（1NF, 2NF, 3NF）、反范式、主键、外键、候选键、唯一键。 * **数据操作：** 事务（Transactions）、触发器（Triggers）、存储过程（Stored Procedures）、存储函数（Stored Functions）。 * **查询优化：** JOIN（Inner Join, Left Join, Right Join, Cross Join）、UNION vs UNION ALL、别名（Aliases）、子查询（Subqueries）、索引（Indexes）、查询缓存（Query Cache）。 * **数据类型与引擎：** BLOB vs Text, CHAR vs VARCHAR, InnoDB vs MyISAM。 * **常用命令与函数：** 常用MySQL命令、ENUM、GRANT、TRUNCATE vs DELETE、聚合函数、IFNULL vs ISNULL。 * **高级概念：** 自引用外键、LIKE vs REGEXP、SAVEPOINT。 * **实战演练：** 每个问题都配有实际的SQL代码示例，帮助您理解概念并学会如何在面试中清晰地解释。 * **面试技巧：** 学习如何构建简洁、准确且切中要害的答案，让您的面试表现脱颖而出。 * **免费资料：** 课程提供一本免费的电子书，汇总了所有问题的答案，方便您复习和备考。 **您将学到：** * 清晰地解释数据库范式和反范式。 * 熟练应用各种JOIN语句。 * 深入理解事务、触发器、存储过程和函数的工作原理及实现。 * 知道如何创建和管理索引、视图。 * 掌握不同数据类型和存储引擎的差异。 * 熟悉常用的MySQL命令和函数。 无论您是想进入MySQL领域，还是希望在现有职业生涯的基础上更进一步，本课程都将为您打下坚实的基础，助您自信满满地迎接每一次MySQL面试，获得心仪的职位！ **常见问题类型（部分）：** * 解释范式与反范式？ * 解释MySQL的1NF, 2NF, 3NF？ * 主键与外键的区别？ * 触发器是什么？如何在MySQL中创建触发器？ * 解释事务及其在MySQL中的实现？ * 索引是什么？如何在MySQL中声明索引？ * 视图是什么？如何创建和删除视图？ * 解释各种JOIN类型（Inner Join, Left Join, Right Join, Cross Join）？ * MySQL的UNION与UNION ALL的区别？ * MySQL别名是什么？ * 解释MySQL子查询？ * BLOB与Text数据类型的区别？ * CHAR与VARCHAR数据类型的区别？ * InnoDB与MyISAM存储引擎的区别？ * 常用的MySQL命令有哪些？（ENUM, GRANT, TRUNCATE vs DELETE） * MySQL聚合函数有哪些？ * 如何使用ENUM？ * 解释GRANT命令？ * TRUNCATE和DELETE的区别？ * 存储过程与存储函数是什么？ * MySQL存储过程与存储函数的区别？ * 自引用外键是什么？ * LIKE与REGEXP运算符的区别？ * 查询缓存如何工作？ * 解释MySQL事务中的SAVEPOINT语句？ * 数据库导入导出如何工作？ * 解释IFNULL与ISNULL函数？ 加入我们，一起掌握MySQL面试的精髓，开启您的职业新篇章！
Welcome to the MySQL interview and answers course! Are you ready to take your interview preparations skills and career to the next level?This course will prepare you for the 40 plus most asked difficult / easy MySQL interview questions. Each questions is answered with practical example and shown how to frame your answer, so we will learn the answers to 40 plus most asked questions in total! and updating more!This course will help you to understand and know how to answer most difficult questions like on Transactions, Triggers, MySQL Joins, Stored Procedures, Functions, Database Normalization and so on.If you are looking to boost your career to next level or looking for MySQL jobs, this course will help you to strengthen your skills and to connect the dots like how to rightly answer to the point with practical example.Also, a free e-book is provided, with all questions and answers from the course compiled together.So, why hesitate? Join me in this course and ace your next interview!Explain Normalization, Denormalization, Normal Forms in MySQL, Trigger & Joins.Question 1: Explain Normalization & Denormalization?Question 2: Explain 1st,2nd and 3rd Normal Form in MYSQL Database Normalization?Question 3: Primary Key vs Foreign Key?Question 4: Primary Key vs Candidate Key vs Unique Key?Question 5: What is a trigger? How you can create a trigger in MYSQL?Question 6: Explain Transactions and How to Implement it in MYSQL?Question 7: What is an index? How can an index be declared in MYSQL?Question 8: What is the view? How can you create and drop view in MYSQL?Question 9: Explain Inner Join?Question 10: Explain Left Join?Question 11: Explain Right Join?Question 12: Explain Cross Join?Question 13: MYSQL Union vs Union All?Question 14: What are MYSQL Aliases?Question 15: Explain MYSQL Subquery?Question 16: Blob vs Text data types in MYSQL?Question 17: CHAR vs VARCHAR data types?Question 18: What are the differences between InnoDB and MyISAM engines?Question 19: What are some of the common MYSQL COMMANDS?ENUM in MySQL, GRANT Command, TRUNCATE vs DELETE in MySQLQuestion 20: What are aggregate functions in MYSQL?Question 21: How can ENUM be used in MySQL?Question 22:Explain GRANT Command in MySQL?Question 23:What is the difference between Truncate and Delete?What are Stored Procedure & Stored Function in MySQL?Question 24:- Explain MySQL Stored Procedures ?Question 25:- Explain MySQL Stored Function ?Question 26:- MySQL - Stored Procedures VS Stored FunctionWhat is self-referencing foreign key, LIKE vs REGEXP Operators, query cache.Question 27:- What is self-referencing foreign key?Question 28:- What is the difference between the LIKE and REGEXP Operators?Question 29:- How does query cache work in MySQL?Questions on SAVEPOINT statement, import/export work in MySQL, IFNULL & ISNULLQuestion 30:- Explain the SAVEPOINT statement in MySQL Transactions?Question 31:- How does database import or export work in MySQL?Question 32:- Explain difference between IFNULL & ISNULL functions in MySQL?
