Article Introduction：Among the changes between MYSQL8 and MYSQL5.7, the biggest change is that the atomicity of the data dictionary is guaranteed. It is no longer FRM files and Idb files. There is always some panic when performing DDL operations on data tables. One of the major changes is called SerializedDicitionaryinformation. Previously, MYSQL5. . MYSQL8 will no longer have such a thing, and the tool set has actually been offline a long time ago, so MYSQL8 was launched

2023-05-31 comment 0  1198

Article Introduction：This column explains in detail the MySQL8 database installation tutorial.

2020-11-25 comment 0  4559

Article Introduction：MySQL is a commonly used open source relational database management system that is widely used in web application development. Installing MySQL8 on CentOS7 can support server-side data storage and management to meet the needs of applications. This tutorial will guide you to install MySQL8 on CentOS7 system. Step 1: Add MySQL Yum source MySQL provides YumRepository, making it very easy to install MySQL on CentOS7 systems. Use the following command to add MySQLYumRepository. sudorpm-Uvhhttps://dev.mysql.com/get/mysql80-communi

2024-02-19 comment 0  1295

Article Introduction：The default character set of Mysql8 is utf8mb4, and the sorting rule is utf8mb4_0900_ai_ci. When we need to import Mysql8 data into Mysql5.7, it will appear that Mysql5.7 does not support the sorting rule of utf8mb4_0900_ai_ci. Then we can have the following 2 method to solve. To modify the character set and collation of the xx.sql file, you can first export the Mysql8 data as a sql script, and then replace the character set and collation in full through the editor. This method is suitable for those who are not sure which version of Mysql to import, and can be modified as needed. Directly modifying the character sets and collation rules of databases and tables can be done during our development phase.

2023-06-03 comment 0  3483

Article Introduction：The solution and steps for mysql8 and php7 cannot connect are: 1. Use the command sudo vim /etc/my.cnf; 2. Configure the file to modify the authentication mechanism.

2019-10-16 comment 0  3885

Article Introduction：​This article brings you the solution for forgetting the password in MySQL8 (picture and text examples). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

2019-02-12 comment 0  3316