##Preface
When it comes to database indexes, everyone must be familiar with them. In daily work often come into contact with. I have read a lot of related articles, books and courses in the past few days. I decided to summarize an article myself. Although the article I wrote is definitely not as good as the articles written by various experts on the Internet, I will remember it more firmly after summarizing it myself.The above is the detailed content of Learning the underlying structure of MySQL index. For more information, please follow other related articles on the PHP Chinese website!

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