mysql数据库的安装

  1）软件下载 https://cdn.mysql.com//Downloads/MySQL-5.6/mysql-5.6.38-linux-glibc2.12-x86_64.tar.gz https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz 2) 确保mysql没有被修改 [[e

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