Let’s say that in SharePoint, you want to use the Contribute permission level, but you don’t really want the users who have that permission level to be able to delete anything. It sounds harder than it really is.

Let’s assume you have already created your Web Application and Site Collection and then your boss comes in and says, let’s enable ‘Anonymous Access’ on the site. That’s not too hard, but it does take a series of steps.

First off, we need to explain what CAML stands for – – Collaborative Application Markup Language. It’s an XML based query language in order to perform a query operation against data in SharePoint.