title: DotNetNuke Data Tier
body: <p>I am trying to understand the Dot Net Nuke source code.  Can anyone provide a brief explanation of how the data tier is implemented?</p>
  
  <p>I am trying to find in the code where the stored procedures are called.</p>
  
  <p>I have reviewed some of the video tutorials online and I have read some blogs, but I have not yet found my answer.</p>