kenny@kenny-OptiPlex-790:/etc/apt/sources.list.d$ sudo apt-get install mysql-server=5.6.30-0ubuntu0.15.10.1
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 mysql-community-server : Depends: mysql-common (= 5.7.11-1ubuntu15.10) but 5.7.12-1ubuntu15.10 is to be installed
                          Depends: mysql-client (= 5.7.11-1ubuntu15.10) but 5.7.12-1ubuntu15.10 is to be installed
 mysql-server : Depends: mysql-server-5.6 but it is not going to be installed
 teamviewer:i386 : Depends: libc6:i386 (>= 2.4) but it is not going to be installed
                   Depends: libgcc1:i386 but it is not going to be installed
                   Depends: libasound2:i386
                   Depends: libdbus-1-3:i386 but it is not going to be installed
                   Depends: libexpat1:i386 but it is not going to be installed
                   Depends: libfontconfig1:i386 but it is not going to be installed
                   Depends: libfreetype6:i386 but it is not going to be installed
                   Depends: libjpeg62:i386 but it is not going to be installed
                   Depends: libpng12-0:i386 but it is not going to be installed
                   Depends: libsm6:i386 but it is not going to be installed
                   Depends: libxdamage1:i386 but it is not going to be installed
                   Depends: libxext6:i386 but it is not going to be installed
                   Depends: libxfixes3:i386 but it is not going to be installed
                   Depends: libxinerama1:i386 but it is not going to be installed
                   Depends: libxrandr2:i386 but it is not going to be installed
                   Depends: libxrender1:i386 but it is not going to be installed
                   Depends: libxtst6:i386 but it is not going to be installed
                   Depends: zlib1g:i386 but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
kenny@kenny-OptiPlex-790:/etc/apt/sources.list.d$ apt-cache rdepends mysql-community-server
mysql-community-server
Reverse Depends:
  mysql-server
kenny@kenny-OptiPlex-790:/etc/apt/sources.list.d$