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Today, the editor to share with you is the complete collection of MySQL database optimization skills, I believe many people do not understand, in order to let you know more about MySQL database optimization skills, so give you a summary of the following content, let's look down. I'm sure you'll get something.

Share some optimization tips for MySQL databases

1. Open the query cache and optimize the query.

2. Explain your select queries, which can help you analyze the performance bottlenecks of your queries or table structures. EXPLAIN's query results will also tell you how your index primary key is used and how your data tables are searched and sorted.

3. When you only need a row of data, using limit 1 Magi MySQL database engine will stop searching after finding a piece of data, instead of continuing to look up the next piece of data that matches the record.

4. Index the search field.

Use ENUM instead of VARCHAR. If you have a field, such as "gender", "status" or "department", and you know that the values of these fields are limited and fixed, then you should use ENUM instead of VARCHAR.

6. Prepared Statements, precompiled statement Prepared Statements, much like a stored procedure, is a collection of SQL statements that run in the background. We can get a lot of benefits from using prepared statements, whether it's performance or security issues. Prepared Statements can check some of the variables you bind to protect your program from "SQL injection" attacks.

7. Vertical subtable

8. Select the appropriate storage engine according to the business requirements.

On the MySQL database optimization skills complete collection is shared here, I hope that the above content can have a certain reference value, you can learn to apply. If you like this article, you might as well share it for more people to see.

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