Here is our ER Diagram and their relationships.

Customer Table:

Inventory Table:

Then we have the Inventory/Invoice table that we created to break up the many to many

relationship, which we titled INVINVOICE:

INVMAN is another table created to break up a many to many relationship.

Invoice Table:

INVRENT is another table created to break up a many to many relationship.

Manufacturer:

RETAILINVOICE is another table created to break up a many to many relationship.

Salesperson:

Last we have the Switchboard items table.

Query 1 SQL

Query 2 SQL

Query 3 SQL

Query 4 SQL

Query 5 SQL

Query 6 SQL

Query 7 SQL

Now I’ll show our Forms

Customer Form:

Inventory Form:

Inventory Subform 1

Invoice Form

New Hire Form

Rental Invoice Form

Switchboard Form

Now we have the Reports.

Customer Invoice Report

Inventory Report

Invoice Report

Salesperson Report