MySQL As the mainstream database , It is the knowledge that the interviewers of every big factory never tire of asking , But to what extent ？ Just stay in Building database 、 Table creation 、 The level of basic operations such as adding, deleting, checking and modifying is not enough . In the interview back-end development , A series of questions , You're going to be asked about it .
MySQL How to optimize sentences ？ sub-treasury , What scenarios are sub tables suitable for ？ Tell me about InnoDB How to use B+ Tree stored ？
Generally speaking , Get ready MySQL interview , All we have to do is prepare from these parts ： Inquire about 、 Storage 、 Business 、 Locking and performance tuning . Many friends suffer from time-consuming and labor-consuming in collecting data , It is difficult to cover The appraisal angle of resident interviewers . In order to let everyone in preparation for the interview less detours , A limited time benefit is recommended here —— It took three months to build MySQL Training camp The content is to the official account free to open up 5 God .
The lecturers of this training camp are all from well-known Internet companies in China , It took nearly three months , Research on selected factories MySQL The mainstream of interview questions , After many iterations , Finally, this set of course content was formed to help students who are looking for jobs . Listen , You can ：
Harvest complete MySQL Learning path
Aiming at the actual scene, the database problem is analyzed , Performance tuning
Absorb experience from industry experts , Speed up MySQL Advanced skills
deepen MySQL Understanding of underlying and core technologies
Easy to deal with in the interview MySQL problem
The tutor will be engaged in recommendation system for many years 、 Search engine 、 Big data development and other business experience , Starting from the application scenarios in work , Introduction of related concepts and principles , Then the advantages and disadvantages of various schemes are analyzed , Finally, summarize and answer questions . The training camp is mainly divided into three parts ： Index principle and optimization 、 Lock principle and case practice 、 Principle of sub database and sub table And practice , Specific have ：
1、MySQL Index principle and optimization
InnoDB How to use B+ Trees store indexes and data
Composite index in InnoDB How is it stored in
Leftmost prefix matching principle and creation of leftmost prefix index
Explain Detailed command
2、MySQL Lock principle and case practice
Correct understanding InnoDB In the lock
Analysis of locking principle of row lock
Analysis of deadlock underlying principle
3、MySQL Principle and practice of sub database and sub table
Why do we need to divide the database and the table
How to realize sub database and sub table
MyCat The introduction of fragmentation rules in
MyCat Configuration of sub database and sub table
Who is suitable to learn ？
1. Have 0～1 Years of working experience , Familiar with basic database add, delete, query and modify statements , It is impacting on the posts of large factories ;
2. Yes 1 More than years working experience , Search engine 、 Recommendation system 、 Big data development and other related work ;
3. In high concurrency scenarios 、 Difficulties in performance tuning 、 Programmers who want to expand design ideas .
Time limited benefits
1. Original price of training camp ￥599, This official account is limited by fans. 5 God free .
2. The students who sign up for this time will present a complete set of excellent lecture materials free of charge .
Time limit 0 element Valid for 5 God
This is limited to 100 Places
Code scanning appointment Collect dry goods
PS : Click on Read the original , It's fine too 0 Yuan purchase , After successful purchase, you must remember to add student wechat , Contents of receiving dry goods . More preferential activities and campaign training programs , You can also consult .
At present, most large factories , When selecting talents , about MySQL The ability threshold requirements will be higher . The training camp after the opening of the teaching and Research Group in-depth research , The depth of content completely matches the difficulty of large factories . Students with high salary need to be impacted recently , Don't miss it ！