These slides may be difficult for beginners to follow. A more in-depth treatment can be found at Robert Nystrom's wonderful game Programming Patterns resource available for free online:
http://gameprogrammingpatterns.com/
And of course Mike Acton's classic talk:
CppCon 2014: Mike Acton "Data-Oriented Design and C++"
https://www.youtube.com/watch?v=rX0ItVEVjHc
All these resources are CPU oriented. As next gen GPUs begin to dominate for data queries. It will be interesting to see how the game changes as well.
The Rise of the GPU: How GPUs Will Change the Way You Look at Big Data