????a?????????????rpm???????mysql
????[root@linux ~]# rpm -qa | grep -i mysql
????MySQL-server-5.1.49-1.glibc23
????MySQL-client-5.1.49-1.glibc23
????ж??MySQL-server-5.1.49-1.glibc23??MySQL-client-5.1.49-1.glibc23
????[root@linux ~]# rpm -e MySQL-client-5.1.49-1.glibc23
????[root@linux ~]# rpm -e MySQL-server-5.1.49-1.glibc23
????b)???????mysql????
????[root@linux ~]# chkconfig --list | grep -i mysql
????mysql           0:off   1:off   2:on    3:on    4:on    5:on    6:off
???????mysql????
????[root@linux ~]# chkconfig --del mysql
????c)??????mysql?????
????[root@linux ~]# whereis mysql
????mysql: /usr/lib/mysql /usr/share/mysql
??????????
????[root@linux lib]# rm -rf /usr/lib/mysql/
????[root@linux lib]# rm -rf /usr/share/mysql