1. linux安装mysql8.0.12,亲测可用. 以下是安装过程中出现的问题: 1 [root@localtest1 file]# systemctl start mysqld 2 Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe"
今天闲来无事,下载新版的 mysql 8.0.12 安装. 为了方便安装查看,我下载了sqlyog 工具 连接 mysql 配置新连接报错:错误号码 2058,分析是 mysql 密码加密方法变了. 解决方法:windows 下cmd 登录 mysql -u root -p 登录你的 mysql 数据库,然后 执行这条SQL: ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456'; 1234
现在版本的jdbc连接方式和原来不一样了, 假如你使用String driver = "com.mysql.jdbc.Driver"; 会抛出错误: Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manu
步骤一:安装mysql依赖 yum install -y libaio numactl 步骤二:下载mysql社区版 wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.12-linux-glibc2.12-x86_64.tar.xz 步骤三:创建mysql用户和用户组 groupadd mysql useradd -r -g mysql -s /bin/false mysql 步骤四:解压mysql文件 tar xvf my
1.mysqld --console --skip-grant-tables --shared-memory 2.另一个控制台 mysq 3.use mysql; 4.select user,host,authentication_string from user ; 5.update user set authentication_string='' where user='root' ; 6.无密码登陆,再修改想要的密码 (不直接在上一步修改密码是因为,mysql会有有一个加密.直接设为空
最近不知道怎么回事,数据库老是会输出一个: [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' which is not functionally dependent on columns in GROUP BY clause; this is incompatible