mysql-community-common(x86-64) >= 5.7.9 is needed by mysql-community-libs-4

若是mysql報以下錯誤 mysql-community-common(x86-64) >= 5.7.9 is needed by mysql-community-libs-5.7.21-1.el7.x86_64 這個時候須要解決的是將已經安裝的rpm報卸載. 經過rpm -qa |grep -i mysql或者是rpm -qa |grep -i mariadb 若是找到那個執行 rpm -e 包

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