Two methods for uninstalling MySQL under CentOS

1. uninstall the source code installation method: go to the source code directory. if you can run makeuninstall, you can uninstall it. If not, delete it directly. If the directory is./configure -- prefix, use the rm-rf directory name to delete the directory --------------------------------------------------------- [root @ localhost ~]. # Cd

I. how to uninstall the source code installation:
To the source code directory. if you can run make uninstall, you can uninstall it. If not, delete it directly.
If yes./configure -- prefix specifies the directory to be deleted with the rm-rf directory name

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[Root @ localhost ~] # Cd/usr/local/src/mysql-5.1.45
[Root @ localhost mysql-5.1.45] # make uninstall
[Root @ localhost mysql-5.1.45] # cd ..
[Root @ localhost src] # rm-rf mysql-5.1.45.
[Root @ localhost src] # cd ..
[Root @ localhost local] # ls
Bin etc games include lib libexec mysql sbin share src web
[Root @ localhost local] # rm-rf mysql/
[Root @ localhost local] # ls
Bin etc games include lib libexec sbin share src web
[Root @ localhost local] #

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II. how to uninstall the rpm installation:

Command to check whether mysql is installed
Rpm-qa | grep mysql
Run the rpm-e mysq-* command to uninstall it one by one.
If
Error: Failed dependencies:
Libmysqlclient. so.10 is needed by (installed) libdbi-dbd-mysql-0.6.5-10.RHEL4.1.i386
Libmysqlclient. so.10 is needed by (installed) MySQL-python-1.0.0-1.RHEL4.1.i386
Libmysqlclient. so.10 is needed by (installed) MyODBC-2.50.39-21.RHEL4.1.i386
Libmysqlclient. so.10 is needed by (installed) qt-MySQL-3.3.3-9.3.i386
Mysqlclient10 is needed by (installed) MySQL-python-1.0.0-1.RHEL4.1.i386
Mysqlclient10 = 3.23.58-4. RHEL4.1 is needed by (installed) mysqlclient10-devel-3.23.58-4.RHEL4.1.i386
Use the -- nodeps parameter, for example:
Rpm-e mysqlclient10-devel-3.23.58-4.RHEL4.1 -- nodeps
Rpm-e mysqlclient10-3.23.58-4.RHEL4.1 -- nodeps