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

Today, what the editor shares with you is the reason why the database needs to be indexed. I believe most people don't know much about it. In order to make you understand better, the editor summarized the following content for you. Without saying much, let's move on.

The main function of establishing an index in the database is to improve the query speed.

The index can speed up the query of the data, and the index file is stored as a separate file, which contains pointers to table records.

After indexing, the physical order of the records in the table remains the same.

So much for sharing the reasons for indexing. I hope the above content can be helpful to you and learn more knowledge. If you think the article is good, you can share it for more people to see.

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