This article is enough for learning advanced mysql

Preface ：

Read over 《 High performance MySQL》, I feel this article is more suitable for beginners （ Reprinted in the paid content of an educational institution ）

List of articles ：

MySQL Advanced ： The basic chapter （1-4 speak ） Very suitable for novice advanced , Bit by bit (¬◡¬)*https://blog.csdn.net/weixin_48554146/article/details/122913231

MySQL Advanced ： The basic chapter （5-8 speak ）05 | Index in simple terms （ Next ） In the last article , I introduced to you InnoDB Data structure model of index , Today we'll continue to talk with MySQL Index related concepts . Before starting this article , Let's take a look at this problem first ： Here's the watch T in , If I execute select * from T where k between 3 and 5, You need to perform several tree searches , How many lines will be scanned ？ Here is the initialization statement for this table .mysql> create table T (ID int primary key,k int NOT NULL DEFAULhttps://blog.csdn.net/weixin_48554146/article/details/122920873