Updated: June 9th, 2009
Introduction
If you, like me, are building or thinking of implementing a MySQL-powered application that has any need for prioritizing selecting certain data over other data, this article is for you.
Example
As a real world example, consider a queue-like video processing system. Your application receives new videos and processes them. The volume of incoming videos can at times be higher than the processing rate because the process is CPU bound, so occasionally a pretty long queue may form. You will try to process them as fast as you can but…
Note that I am using a queue here, so the the next item to be processed is a result of sorting by some sort of field in a ascending
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