In the existing digital environment of enterprises, as long as there is a front-end requirement of the enterprise website, the background will definitely need database support, such as ERP system, enterprise OA system, financial audit system and so on.
MySQL作为目前最为热门的关系型开源数据库之一, has won the favor of Internet companies for its free, cross-platform and high-performance advantages, and has been widely used in most Internet companies.
Because of this, MySQL has also become an unavoidable topic in Internet company development job interviews.
所以，要想在数据管理上大展身手，熟练掌握MySQL技术尤为重要。
After the success of "How MySQL Works: Understanding MySQL from the Roots", Children 4919 decided to teach you how to quickly get started with MySQL from the perspective of beginners. Asynchronous Jun quickly took you to read this book for children new book--《MySQL是怎样使用的：快速入门MySQL》。
It’s still Kawaii’s cover, revealing the child’s vision:
Sometimes we walk for a long time and forget why we started. Similarly, adults grow up and forget who they were as children. A well-informed technical expert often cannot understand the problems faced by beginners.
This "How to Use MySQL: Quick Start MySQL" is better 契合了MySQL初学人员的学习曲线, the content is simple and easy to understand, and it can help beginners quickly get started with MySQL!
Why choose this "How to Use MySQL"?
Children published their first book "How MySQL Works: Understanding MySQL from the Roots" in November last year. From the title, it can be seen that this book is explaining how MySQL is used as a software. Designed, that is, how to implement a database.
To this end, the book introduces a series of data structures required during the operation of MySQL, starting from the most basic record structure, to the page structure, index structure and even the table space structure.
Then it describes how to use these structures to execute queries, and how MySQL can better execute these queries (query optimization).
Finally, the book also describes the concepts of redo log, undo log, MVCC and transaction lock introduced in InnoDB to realize transactions.
“高大上”It can be seen from these relatively sound nouns that "How MySQL Works: Understanding MySQL from the Roots" is written for friends who have certain programming experience and need to advance in the database.
为了帮助编程基础不是很好或没有编程基础的初学者快速学习MySQL，So, "How to Use MySQL: Quick Start MySQL" was born!
As you can tell from its title, it is teaching beginners how to use MySQL.
In addition, the word "quick" in the subtitle also emphasizes that this book is very easy to read, and friends who have no programming experience at all can also master the basic usage of MySQL in a short time.
"How to use MySQL: Quick Start MySQL" is the prelude to "How MySQL Works: Understanding MySQL from the Roots", starting from the installation of MySQL, and gradually introducing how to use MySQL to add, delete, modify, and query.
In addition, the book also introduces some 稍微高级一点的MySQL主题, such as stored procedures, backup and recovery, user and authority management, using application programs to connect to MySQL servers, etc.
What are the characteristics of this book?
This book is dedicated to bringing you a good reading experience, and helping you learn MySQL syntax with simple, concise, interesting and systematic language. To this end, children have made efforts in the following aspects:
• 保姆式的教学. There is no jumping discussion, and it is a step-by-step teaching method that is step-by-step. Try to present as many details as possible to reduce confusion during reading.
• 全文用大白话写作. In some places, it is "chattering", as if someone is chatting with classmates.
• 从初学者角度出发. Try to avoid using an unlearned concept to introduce another new concept, and draw some pictures for places that are difficult to express in language.
• 满满的小贴士. The full text is interspersed with many tips to remind the super outline content and precautions.
• 层层铺垫的结构体系. The content covered in the book forms a closed loop, and I hope that everyone will have the feeling of a complete story after reading the book.
How to study this book?
▌Target readers
This book is aimed at beginners who have never been exposed to MySQL, or who have been exposed to MySQL before but are a little unfamiliar. Even if you are not a programmer, as long as you know how to install and open the software, you will definitely be able to understand this book.
If you don't understand, you can also answer questions from readers by scanning the QR code in the book.
Through the study of this book, readers can master the basic operation of MySQL and understand the advanced content of MySQL.
For the following three types of readers, this book can provide you with the most efficient and effective help:
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Zero-based readers who have no relevant experience but are interested in MySQL
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Readers who have just entered the database industry and have a little experience with SQL
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Readers who have MySQL needs at work and want a handy reference book
▌Structural arrangement
"How to use MySQL: Quick Start MySQL" has a total of 19 chapters, 完全从零基础用户的角度出发.
According to the user's cognitive habits, starting from the installation of MySQL, it introduces the use of MySQL server programs and client programs, MySQL data types, basic operations of databases and tables, column attributes, expressions and functions in MySQL, It also introduces advanced concepts such as views, stored procedures, backup and recovery, user and authority management, and knowledge of using Java language to connect to MySQL servers.
The examples in this book MySQL 8.0.23were tested in .
The figure below is part of the table of contents of this book.
What should I do if I have questions about studying this book?
This is an introductory book that introduces MySQL grammar from scratch. Although children have used various methods to make the process of getting started easier, it is still unavoidable that some friends will have problems of one kind or another during the reading process.
If you encounter unsolvable confusion during the reading process, you can enter the Q&A group by scanning the QR code provided in the book, and ask the author directly.
Regarding the question-and-answer service, students who have purchased "How MySQL Works" and children's nugget booklets have a great say. You can consult students who have purchased them.
Special attention needs to be paid here. Students who need to ask questions must first think about it carefully, figure out what they are not clear about, and then express it in fluent sentences.
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