linux下安装mysql时出现错误，请高手帮忙

qiqino1

[root@qiqino1 MySQL]# ls
mysql-5.0.56.tar.gz
MySQL-client-community-5.0.37-0.rhel4.i386.rpm
MySQL-devel-community-5.0.37-0.rhel4.i386.rpm
MySQL-server-community-5.0.37-0.rhel4.i386.rpm
[root@qiqino1 MySQL]# rpm -ivh MySQL-client-community-5.0.37-0.rhel4.i386.rpm
warning: MySQL-client-community-5.0.37-0.rhel4.i386.rpm: V3 DSA signature: NOKEY, key ID 5072e1f5
error: Failed dependencies:
        perl(DBI) is needed by MySQL-client-community-5.0.37-0.rhel4.i386
    Suggested resolutions:
        perl-DBI-1.40-5.i386.rpm
[root@qiqino1 MySQL]# rpm -ivh MySQL-devel-community-5.0.37-0.rhel4.i386.rpm
warning: MySQL-devel-community-5.0.37-0.rhel4.i386.rpm: V3 DSA signature: NOKEY, key ID 5072e1f5
Preparing...                ########################################### [100%]
   1:MySQL-devel-community  ########################################### [100%]
[root@qiqino1 MySQL]# rpm -ivh MySQL-server-community-5.0.37-0.rhel4.i386.rpm
warning: MySQL-server-community-5.0.37-0.rhel4.i386.rpm: V3 DSA signature: NOKEY, key ID 5072e1f5
error: Failed dependencies:
        perl(DBI) is needed by MySQL-server-community-5.0.37-0.rhel4.i386
    Suggested resolutions:
        perl-DBI-1.40-5.i386.rpm
[root@qiqino1 MySQL]#
[root@qiqino1 MySQL]#  rpm -ivh MySQL-client-community-5.0.37-0.rhel4.i386.rpm
warning: MySQL-client-community-5.0.37-0.rhel4.i386.rpm: V3 DSA signature: NOKEY, key ID 5072e1f5
error: Failed dependencies:
        perl(DBI) is needed by MySQL-client-community-5.0.37-0.rhel4.i386
    Suggested resolutions:
        perl-DBI-1.40-5.i386.rpm

有以下问题：
1.是不是缺少了dbi？
2.我有linux的安装镜像，如何安装dbi？
请详细点，新手来的，在线等

haven6

是的，网上去下载perl-DBI-1.40-5.i386.rpm
再，rpm -ivh perl-DBI-1.40-5.i386.rpm