Shulou(Shulou.com)06/01 Report--

In this issue, the editor will bring you about why the mysql index is relatively fast. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.

Why is mysql indexing faster?

The index can be retrieved quickly, reducing the number of Iamp O times and speeding up the retrieval speed; grouping and sorting according to the index can speed up the grouping and sorting. However, the index itself is also a table, which takes up 1.5 times the storage space of the data table, and the maintenance and creation of the index table takes time cost, which increases with the increase of the amount of data. building an index reduces the efficiency of the modification operation of the data table, because you also need to modify the index table while modifying the data table.

MySQL is a relational database management system developed by the Swedish company MySQL AB and belongs to the products of Oracle. MySQL is one of the most popular relational database management systems. In the aspect of WEB application, MySQL is one of the best RDBMS (Relational Database Management System) application software. MySQL is a relational database management system in which relational databases store data in different tables instead of all data in one large warehouse, which increases speed and flexibility.

The above is why the mysql index shared by the editor is relatively fast. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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