Complete uninstallation of MySQL under Linux

1、 see mysql Installation of

command ：rpm -qa | grep -i mysql

2、 Remove the software installed above

command ：rpm -ev mysql-community-libs-5.7.27-1.el6.x86_64 --nodeps

3、 After the deletion is successful , Find related mysql The file of

command ：find / -name mysql

4、 Delete all files

command ：rm -rf Fill in the found MySQL file

Such as ： Here is what I found out
If I delete the last line
Carry out orders ：rm -rf /usr/local/mysql

5、 Execute command again

command ：rpm -qa | grep -i mysql

# If there is no explicit, the uninstall is complete