详解转载：
https://www.xmmup.com/mysql-shellgongjujieshao.html
下载：
wget https://dev.mysql.com/get/Downloads/MySQL-Shell/mysql-shell-8.0.29-linux-glibc2.12-x86-64bit.tar.gz
安装：
tar xvf mysql-shell-8.0.29-linux-glibc2.12-x86-64bit.tar.gz -C /usr/local/ ln -s /usr/local/mysql-shell-8.0.29-linux-glibc2.12-x86-64bit /usr/local/mysql-shell
配置环境变量：
export PATH=$PATH:/usr/local/mysql-shell/bin echo "export PATH=$PATH:/usr/local/mysql-shell/bin" >> /root/.bashrc source /root/.bashrc
帮助：
[root@hankyoon ]# mysqlsh --help
Usage examples: $ mysqlsh root@localhost/schema $ mysqlsh mysqlx://root@some.server:3307/world_x $ mysqlsh --uri root@localhost --py -f sample.py sample param $ mysqlsh root@targethost:33070 -s world_x -f sample.js $ mysqlsh -- util check-for-server-upgrade root@localhost --output-format=JSON $ mysqlsh mysqlx://user@host/db --import ~/products.json shop