package mysql-server-core-5.1 (not installed) failed to install/upgrade: trying to overwrite '/usr/bin/my_print_defaults', which is also in package mysql-cluster-server-5.1 0:7.0.9-1ubuntu7

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release of Ubuntu - Ubuntu 10.04 LTS
Version - 5.1.41-3ubuntu12.6
I expected the mysql-client core to install using Synaptic Package Manager but the installation failed.

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: mysql-server-core-5.1 (not installed)
ProcVersionSignature: Ubuntu 2.6.32-25.44-generic 2.6.32.21+drm33.7
Uname: Linux 2.6.32-25-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Thu Oct 7 19:18:30 2010
ErrorMessage: trying to overwrite '/usr/bin/my_print_defaults', which is also in package mysql-cluster-server-5.1 0:7.0.9-1ubuntu7
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
SourcePackage: mysql-dfsg-5.1
Title: package mysql-server-core-5.1 (not installed) failed to install/upgrade: trying to overwrite '/usr/bin/my_print_defaults', which is also in package mysql-cluster-server-5.1 0:7.0.9-1ubuntu7