Every brother who has experience in the workplace knows that the interview of a big factory is really a long story, not only to see your on-the-spot ability in the interview, but also N times to test your familiarity with the core technology of the company’s business. If you don’t have solid basic skills, it will be very difficult to deceive the interviewer. Check out the 30 – and 40K jobs in big factories:
For Java development posts, in addition to requiring you to be proficient in using Spring and other Java core frameworks, **MySQL as the mainstream relational database, is now the interview is asked the most, most need to consolidate the important foundation. ** To put it bluntly, there is no question about MySQL, and many of the questions will directly ask you some questions about the storage engine layer:
What is the realization principle of InnoDB record storage and index?
How to improve system performance through MySQL transaction management mechanism?
MySQL InnoDB locks
How to handle deadlocks in development?
I really think that many people are not poor in the interview ability, but because they can only immerse themselves in work in the company, resulting in a jumbled knowledge system, it is easy to give the interviewer the feeling of pretending to know what they don’t know. The above questions seem simple, but without systematic MySQL knowledge, they are difficult to navigate.
** However, many partners suffer from lack of reference materials in learning, lack of expert advice when encountering problems, spend a lot of time and energy in tuning details, and lack of best practices for guidance. But don’t panic, this time specially arrange to share this MySQL basic to advanced tuning learning notes for friends who need! ** Due to space reasons, this article only shows the table of contents and content screenshot, if you need to learn this MySQL from the basics to tuning learning manual, scan the qr code in the picture below for free!
MySQL Basics Contents and contents
This part of the overall concept of MySQL, execution process, database engine, query cache, table space, back to the table query, the difference between data types, memory table, temporary table, delete table N ways, enumeration, view, data recovery and other related knowledge points to answer!
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MySQL Index and Optimization
With the increasing number of system users, the importance of MySQL index is self-evident. For back-end engineers, only after they understand the index and its optimization rules, and apply them to practical work, can they continuously improve the system performance and develop a system with high performance, high concurrency and high availability. This section focuses on in-depth analysis of indexing and optimization!
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MySQL advanced optimization and locking
Nowadays, MySQL is the most used in the Internet industry, regardless of the size of the project will use it, but MySQL is actually playing with optimization and architecture design. This part will first lead you to have a chat about MySQL performance optimization query optimization, understand what MySQL query optimization is, and later used in the project. The main contents are as follows:
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MySQL Logs and architecture directory
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MySQL Senior interview analysis guide
MySQL base paper
MySQL index article
MySQL affairs article
MySQL lock
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MySQL logs article
MySQL Performance Optimization
conclusion
For you as a programmer, database is a required course, and MySQL database is undoubtedly the most used database. System stability, efficiency, high concurrency and other indicators, largely depends on whether the database performance is good enough, so the importance of performance optimization, it is not difficult to understand that you will be asked about database tuning in any interview.
If you don’t have a good idea of how to learn MySQL better, this MySQL Basic to Advanced Tuning study notes and interview guide and learning brain map can help you! Friends in need just need to:
Scan the QR code below for free!
