The database is a comprehensive system, behind which is the database theory developed for decades. Perhaps you will think that the database is not difficult, because you can write SQL proficiently, and you can play with ease in various clients. But take the most common MySQL as an example. As a programmer, have you ever encountered similar problems in the process of using MySQL:
- Why is my count(*) so slow?
- Why did I build an index but it didn't work at all?
- Why is the execution so slow when I only check one line of statements?
- How to optimize MySQL for large tables?
Some time ago, a big guy came to a big factory and sent me a batch of learning materials, sorted out, and formed the following documents (database), mainly including MySQL interview questions, MySQL basics to advanced to tuning notes, MySQL knowledge summary, MySQL performance tuning and architecture design analysis documents have been packaged, and free access is available at the end of the article.
MySQL interview questions
MySQL basic to advanced tuning notes
The study notes are mainly divided into 12 modules, the main catalog is as follows:
Due to the length of the word, only the screenshots of the detailed catalog and content are shown here. Friends in need can get them for free below!
MySQL knowledge summary
Mainly summarized from six aspects: MySQL basic module, MySQL index module, MySQL transaction module, MySQL log module, MySQL log chapter, MySQL performance optimization module...
Above:
Due to the length of the word, the above MySQL study notes and MySQL interview analysis have been sorted into offline documents. Friends in need please pay attention and reply to me by private message [study] to get the information for free!
MySQL performance tuning and architecture design analysis document
1. Basics
Two, performance optimization
Three, architecture design
Due to the length of the text, the above learning materials about MySQL have been packaged. Friends who need it, please reply me [learning] privately after forwarding them, or directly scan the following to get the above materials for free!
