CentOS7下安裝MySQL5.8

21.下載安裝包，https://dev.mysql.com/downloads/repo/yum/   2.安裝 2.1 rpm -ivh ./mysql80-community-release-el7-3.noarch.rpm 2.2 執行完成後會在/etc/yum.repos.d/目錄下生成兩個repo文件mysql-community.repo mysql-community-source

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