Why we use "" to process messages

Feb 2, 2016 at 7:59 PM
Edited Feb 2, 2016 at 8:01 PM
If I understand correct code the "*QueueActivation" sp uses to DROP objects of "Table Dependency" component

But this sp is specified in properties of a "queue" how to process messages that arrive in this queue.

I think to process messages that arrive in this queue should be other sp.

https://msdn.microsoft.com/en-us/library/ms189529.aspx