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Bachman's Notation Internet Sales Model Flowchart Example
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Text in this example:
Entity Relationship Diagram: Internet Sales Model
Bachman's Notation
Legend
Entity
One, Mandatory
Zero or more, Optional
One
Many
Orders
Ships Item
Customer
Address
Name
E-mail
Phone
Shipping
Forwards
Order
E-Commerce
Processes
Order
Order Number
Has
Credit Card
Item
Price
Produces
Company
Verifies
Shopping Cart
Contains
Bachman's Notation
Legend
Entity
One, Mandatory
Zero or more, Optional
One
Many
Orders
Ships Item
Customer
Address
Name
Phone
Shipping
Forwards
Order
E-Commerce
Processes
Order
Order Number
Has
Credit Card
Item
Price
Produces
Company
Verifies
Shopping Cart
Contains