Please include screenshots and explanations.

1. Design a database diagram for a product orders database with four tables. Indicate the relationships between tables and identify the primary key and foreign keys in each table. Explain your design decisions.

2. Add the two tables below into the design for exercise 1. Make additional tables and columns, if necessary. Explain your design decisions.

 

3. Modify your design for exercise 2 to identify the columns that should be indexed, and explain your decision. 

 

4. Design a database diagram that allows individuals to be assigned membership in one or more groups. Each group can have any number of individuals and each individual can belong to any number of groups. Make additional tables and columns, if necessary. Explain your design decisions. 

 

5. Modify your design for exercise 4 to keep track of the role served by each individual in each group. Each individual can only serve one role in each group. Each group has a unique set of roles that members can fulfill. Make additional tables and columns, if necessary. Explain your design decisions.

Transcribed Image Text:

Customers CustomerID CustomerName CustomerAddress CustomerPhone *** Orders OrdersID CustomerID OrderDate ShipAddress ShipDate OrderLineltems OrderID OrderSequence ProductID Quantity UnitPrice Products ProductID ProductName QtyPerUnit UnitPrice InStock OnOrder Customers CustomerID CustomerName CustomerAddress CustomerPhone *** Orders OrdersID CustomerID OrderDate ShipAddress ShipDate OrderLineltems OrderID OrderSequence ProductID Quantity UnitPrice Products ProductID ProductName QtyPerUnit UnitPrice InStock OnOrder