rpm -qa | grep mysql
# 或
yum list install | grep mysql
![image-20221007171715190]( "image-20221007171715190")
2、查看mysql的服務(wù)是否啟動(dòng)
![image-20221007171744754]( "image-20221007171744754")
2.1、如果啟動(dòng)則關(guān)閉mysql服務(wù)
systemctl stop mysqld.service # service可加可不加
# 停止MySQL的服務(wù)
[root@chenstudy ~]\# systemctl stop mysqld
# 再次查看MySQL的服務(wù)狀態(tài)
[root@chenstudy ~]\# systemctl status mysqld
![image-20221007172100413]( "image-20221007172100413")
3、 卸載上述命令查詢出的已安裝程序
yum remove mysql-community-libs-8.0.30-1.el7.x86_64
rpm -qa | grep mysql
yum remove mysql-community-client-plugins-8.0.30-1.el7.x86_64
rpm -qa | grep mysql
yum remove mysql-community-server-8.0.30-1.el7.x86_64
rpm -qa | grep mysql
![圖一]( "圖一")
? 圖一：移除mysql-community-libs-8.0.30-1.el7.x86_64
![圖二]( "圖二")
? 圖二：查看剩余的MySQL安裝包
![圖三]( "圖三")
? 圖三：移除mysql-community-client-plugins
![image-20221007173904773]( "image-20221007173904773")
? 圖四：移除mysql-community-common
![圖五]( "圖五")
? 圖五：再次查看MySQL的安裝狀態(tài)
![圖六]( "圖六")
? 圖六：移除 mysql-community-icu-data-files
![圖七]( "圖七")
? 圖七：移除mysql80-community-release-el7-7.noarch
4、刪除mysql相關(guān)文件
![image-20221007175553701]( "image-20221007175553701")
rm -rf /usr/lib64/mysql
rm -rf /var/lib/mysql
rm -rf /var/lib/mysql/mysql
rm -rf /etc/selinux/targeted/active/modules/100/mysql
![image-20221007175654902]( "image-20221007175654902")
5、刪除my.cnf
![image-20221007175806758]( "image-20221007175806758")
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