Consider Figure 1-11, which depicts a hypothetical multitier database architecture. Identify potential duplications of data across all

Question:

Consider Figure 1-11, which depicts a hypothetical multitier database architecture. Identify potential duplications of data across all the databases listed on this figure. What problems might arise because of this duplication? Does this duplication violate the principles of the database approach outlined in this chapter? Why or why not?
In Figure 1-11