Comment 0 for bug 1287424

mysql-workbench depends on mysql-client, which is currently at 5.5, so it won't install with mysql-server 5.6 installed:

apt-get install mysql-workbench
...
The following packages have unmet dependencies:
 mysql-workbench : Depends: mysql-client
E: Unable to correct problems, you have held broken packages.

apt-get install mysql-client:
...
The following packages have unmet dependencies:
 mysql-client : Depends: mysql-client-5.5 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: mysql-workbench (not installed)
ProcVersionSignature: Ubuntu 3.13.0-14.34-generic 3.13.5
Uname: Linux 3.13.0-14-generic x86_64
ApportVersion: 2.13.2-0ubuntu5
Architecture: amd64
Date: Tue Mar 4 07:38:08 2014
InstallationDate: Installed on 2014-02-08 (23 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140207)
ProcEnviron:
 LANGUAGE=en_AU:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
SourcePackage: mysql-workbench
UpgradeStatus: No upgrade log present (probably fresh install)