[DOCS] Article doing a basic comparison of MySQL, Oracle, PostgreSQL

Though it was published some time ago, I only just came across this article: http://www.suite101.com/article.cfm/oracle/115560 The comparison criteria is primative but PostgreSQL does well. I must say, I was thrown by this comment: "That web site includes a very good installation document. Howev

[DOCS] broken link on techdocs

I tried to access and it says that the connection was refused. However, that's a useful document and I'm not sure it has a replacement. Is this a temporary host server problem, or