Oracle 12c : An introduction to concepts backup , recovery and recovery to a point in time ( PITR ) of PDBs

Dear Oracle technology colleagues are welcome to this article, which will be the basis for new concepts of version 12c of the Oracle database. 
Oracle Database 12c, regarding previous versions, has changed dramatically; there have been many improvements in the cost-based optimizer (CBO), the portability databases, flexibility to perform physical and logical changes in its architecture, making it suitable to cope with the new world of “Cloud Computing”.  For complete article read here

This article is not in english, you can use translator to read.