DETAIL STORE
Store ID – PK CustomerID – FK Address
City
State Zip
INVENTORY
InventoryID – PK
Cost Price Carat Cut Clarity Color
DIAMOND CLARITY
ClarityID – PK InventoryID – FK IF
VVS1 VVS2 VS1 VS2 SI1 SI2 I1
I2
I3
DIAMOND CUT CutID – PK
InventoryID – FK
Excellent Good Very Good
DIAMOND COLOR
ColorID – PK InventoryID – FK Colorless D,E,F
Near Colorless G,H,I,J,K Faint Yellow K,L, and M
CARAT
CaratID – PK InventoryID – FK Weight
ORDER
OrderID – PK InventoryID – PK FK CustomerID – PK FK
OrderDate ShippedDate Quantity
CUSTOMERS
CustomerID – PK
Customer Name
Address City State Phone#
Our team has selected the relational model because each table within the database has a unique primary key that contains specific data information and each table within the database is linked together allowing each department to view the data that is only needed. By allowing workstations to access,
update, and share
information