Mysql 5.5.52发布，更新，改进更快，更安全！（mysql5.5.52）

Recently, the mysql team released the version 5.5.52 of MySQL which contains a number of improvements, especially the abilities to run queries faster and more secure.

The query execution performance has improved significantly in MySQL 5.5.52 by the addition of several new features. This improvement is due to the fact that MySQL now uses better query rewrites to optimize queries. The query optimizer now has an ability to check for index usage as well as no-index usage, this improves the efficiency of the query execution by allowing it to process only the needed data.

Another improvement in MySQL 5.5.52 is the new security improvements which include better internal authentication modes such as Secure Authentication Mode (SAM) and Password Hashing Mode (PHA). In addition, MySQL 5.5.52 features better encryption to improve overall security of the system.

Aside from this, the MySQL 5.5.52 also comes with various bug fixes to improve overall stability and performance. There are various bug fixes that were included in this release such as fixes for issues related to replication, optimizer hints, query cache performance and more.

In conclusion, MySQL 5.5.52 has many great features and bug fixes that improve overall performance and security. The query execution performance is improved significantly by the addition of new features, improved query optimization, authentication modes and better encryption. The bug fixes included in this version fix many issues to improve stability and performance of the system. Therefore, MySQL 5.5.52 is one of the best versions of MySQL available today.

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