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Briefly describe the index types in mysql and their impact on database performance
Chapter1 Big factory interview questions
1-1 What are the isolation levels of mysql?
1-2 What is the principle of mysql replication?
1-3 The difference between mysql clustered index and non-clustered index
1-4 Basic principles of mysql index
1-5 What are the mysql index structures and what are their advantages and disadvantages?
1-6 What are the types of mysql locks?
1-7 Why does mysql need master-slave synchronization?
1-8 How to read mysql execution plan
1-9 Briefly describe the index types in mysql and their impact on database performance
1-10 How to deal with slow queries of mysql
1-11 What is mysql master-slave replication
1-12 What are the design principles of indexes?
Chapter2 Getting started with mysql
2-1 mysql download, installation and configuration
2-2 Verify mysql
2-3 Install Navicat
2-4 Import table data
2-5 select statement
2-6 where child clause
2-7 order by child clause
2-8 Commonly used functions
2-9 group function
2-10 group by child clause
2-11 having clause and select summary
2-12 Subqueries and self-joins
2-13 Table join exercises and interview questions
Chapter3 Getting started with mysql - exercises
3-1 Average salary grade for each department
3-2 Average salary grade of part
3-3 who are managers
3-4 Find the maximum salary without using group functions
3-5 Find the department number with the highest average salary
3-6 Just know this section
3-7 The name of a manager who earns more than the average employee's maximum salary
Chapter4 Getting started with mysql 2
Chapter5 mysql index
5-1 Comprehensive and thorough analysis
5-2 Why choose B+ tree for mysql index?
5-3 What is a clustered index? What is a non-clustered index
5-4 How to use indexes for optimization
5-5 Under what circumstances will the index fail?
5-6 mysql server parameter setting_connection
5-7 mysql server parameter setting_log storage
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