Because MySQL's history is one of specializing in content management. In fact if you look at things this way, many of the MySQL gotchas which make DB people cr

Because MySQL's history is one of specializing in content management. In fact if you look at things this way, many of the MySQL gotchas which make DB people cringe are actually content management features. Yes, this includes data truncation. When you move off the web site/content management side, PostgreSQL has long been the open source DB for complex business tools.