Why MOCA on Solaris?
Well, database administration like life comes down to doing things easy and simple or doing things right. If you are going to perform a simple install or just want to learn MySQL, then definitely use one of the very easy install methods mentioned above. If you are concerned about any of the following perform a manual install using some set of guidelines like MOCA:
If installing MySQL for development and in a small shop then simple installs are nice. That is part of the tremendous attraction of MySQL. For production DBAs installing MySQL across multiple platforms at the enterprise level, it is important to use guidelines and standards that your DBA team can control. When a lot younger I didn't mind working late hours and working on an hourly basis. Now, I prefer to minimize administration costs, late hours and minimizing pain. :)