Shulou(Shulou.com)05/31 Report--

This article is to share with you what the new features of MySQL8.0 are, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.

Extensive use of class for refactoring code

Obviously, it improves the code security and maintainability, optimizes the inheritance relationship, and improves the readability.

Small abacus: third-party open source branches are hard hit to keep up with the 8.0 code structure

DDL redo atomic second addition

Official document: https://dev.mysql.com/doc/refman/8.0/en/atomic-ddl.html

MySQL Source Code Analysis of the implementation process of Atomic DDL

Https://yq.aliyun.com/articles/560507?spm=a2c4e.11153940.0.0.702a4732VUETGN

Test of sample reference Printing style of Innodb_ddl_log

Https://yq.aliyun.com/articles/684418?spm=a2c4e.11153940.0.0.46df39a0mzWlBD

Allow Innodb syntax for update nowait/skip locked

Https://dev.mysql.com/doc/refman/8.0/en/innodb-locking-reads.html#innodb-locking-reads-nowait-skip-locked

Window function, which supports various analysis functions such as rank ()

Https://dev.mysql.com/doc/refman/8.0/en/window-functions-usage.html

Optimization of management

Performance Schema reinforcement

Added Role

Default character set utf8mb4

Verify encryption policy adjustment

Allow data mask, redo/undo encryption

Added check constraint

These are the new features of MySQL8.0, and the editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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