As mentioned by Michael it seems that the mysql-server package wasn't installed. The mysql-server package depends on the latest mysql-server version.
We could add some code to update-manager to make sure that if mysql-server-5.0 is installed, mysql-server-5.1 gets installed as well.
As mentioned by Michael it seems that the mysql-server package wasn't installed. The mysql-server package depends on the latest mysql-server version.
We could add some code to update-manager to make sure that if mysql-server-5.0 is installed, mysql-server-5.1 gets installed as well.