Write a paragraph $(6$ sentences$)$ explaining the following DSD$.$ Based on these relations,

what can you say about the mini$-$world for which the database is designed? What business

would need these relations, and how do they appear to interact? $(10$ pts $).$

Book$($ISBN$,$ AuthorFirstName$*,$ AuthorLastName$*,$ Price, Publisher$)$

Author$($AuthorFirstName$,$ AuthorLastName$)$

Teacher$($FacultyID$,$ TeacherFirstName, TeacherLastName, Department$)$

Course$($CourseNumber$,$ FacultyID$*,$ Department$)$

Customer$($CustomerFirstName$,$ CustomerLastName, Address, Email$)$

Order$($OrderID$,$ CustomerFirstName$*,$ CustomerLastName$*,$ Time, TotalAmount$)$

BookOrder$($ OrderID$*$