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 key in each table. Explain your design decisions.

2.Add the two tables below into the design for exercise 1. Create 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.

Products Orders ProductiD OrderLineltems Customers ProductName OrderID CustomerID CustomerID atyPerUnit CustomerName OrderDate OrderSequence UnitPrice Customer Address ShipAddress ProductiD InStock CustomerPhone ShipDate Quantity OnOrder UnitPrice