Polyglot Persistence is a process for storing data in in the best database available, matter the data model and data storage technology. This process is based on the understanding different data stores will handle certain types of data better than others.
Polyglot Persistence is, unfortunately, not available for easy “downloading”, but must designed for the unique Data Architecture of each individual enterprise. This “storage philosophy” is a recent development, and still needs to evolve, technologically.