Database Diagrams (TBD)

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Business Rules:

a CUSTOMER can have many INVOICE(s)

many INVOICE(s) are assigned to a CUSTOMER

an INVOICE can have many LINEITEM(s)

many LINEITEMs are added to an INVOICE

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Business Rules:

a STUDENT has many ENROLLMENT(s)

an ENROLLMENT has many COURSE(s)

a STUDENT ENROLL(s) in many COURSE(s)

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Business Rules

a PUBLISHER has many BOOK(s)

a Book is associated with many AUTHORS

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Business Rules

a USER can have many ROLES(s)

a ROLE is associated with many permissions

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Business Rules

whatABook has many BOOK(s)

a CUSTOMER can add many BOOK(s) to their WISHLIST

a CUSTOMER can have many WISHLIST BOOK(s)

whatABook has many CUSTOMER(s)