Happened to run into this while Googling around. It’s quite useful and well-produced for anyone interested in learning about the 12c RDBMS architecture, V$ views, how the processes relate to each other, and need an overview of how the Container and/or Pluggable multitenant features work.
If you Care a Little More, Things Happen. Bees can be dangerous. Always wear protective clothing when approaching or dealing with bees. Do not approach or handle bees without proper instruction and training.