Consider the following three tables, primary and foreign keys.

Table Name SalesPeople

Attribute Name Type Key Type

EmployeeNumber Number Primary Key

Name Character

JobTitle Character

Address Character

PhoneNumber Character

YearsInPosition Number

Table Name ProductDescription

Attribute Name Type Key Type

ProductNumber Number Primary Key

ProductName Character

ProductPrice Number

Table Name SalesOrder

Attribute Name Type Key Type

SalesOrderNumber Number Primary Key

ProductNumber Number Foreign Key

EmployeeNumber Number Foreign Key

SalesOrderDate Date

Assume that you draw up a new sales order for each product sold.

Develop the following queries:

1. All the Sales People with more than five years in position.

2. All the Products that cost more than $50.

3. All the Sales Orders sold by Sales People less than 3 years in the position.

4. All the Product Names sold by Sales People more than 5 years in the position.

5. Total Revenue sold by Sales People less than 3 years in the position.