To ensure the reliability of the database system has versatility, but also has a lower overall cost, the establishment of traceability system over the distributed data warehouse system will be the best choice.
In order to ensure the whole database system is versatile and reliable, but also has a lower total cost, distributed data warehouse system establishing traceability system covering over will be a best choice.
In order to ensure that the entire database system with a solid versatility, and have lower overall costs, establishment dates back around the cover system of distributed data warehouse systems is a best choice.