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MySQL index

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MySQL index is a data structure used to improve database query performance. It is created on one or more columns in a database table to help the database system quickly locate and retrieve data. Indexes can be compared to the table of contents of a book. They provide a way to quickly access data without scanning the entire table. By properly creating indexes, you can speed up queries and improve database performance.

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time：2023-08-31 17:46:05
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