Seminar eminar ID Integer eminar Date Date Seminar Time Time ocation Seminar Title Address String Customer Email Address String Cust_Last Name String -Attended-Cust_First Name String Address String Boolean Cust Address Cust_Phone Do Not Contact
I need help with the following
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picture):
Invoice_
Seminar
Seminar ID Integer
Seminar Date Date
Seminar Time Time
Tax
Total
Location
Seminar Title String
Invoice
Invoice ID
Integer
Invoice Date
Date
Payment Type String
Subtotal
Shipping
Address
Contact About Seminar
Currency
Currency
Currency
Currency
-Attended-
Contact
Contact Date
Date
Contact Type String
Contact Number Integer
Line Item
Line_Number
Order_line Quantity
Unit Price
Total_Price
Customer
Email Address
Cust_Last Name
Cust_First Name
Cust_Address
Cust_Phone
String
String
String
Address
String
Do_Not_Contact Boolean
Customer_contacted
Integer
Integer
Currency
Currency
Customer_Ordered
Product
Integer
String
Unit Price
Currency
Quantity_In_Stock Integer
Product_number
Product Ordered-Description"
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As the customer may or may not attend the seminar or several seminars, the seminar and the customer should have a m:n relationship.
With full seminar participation and minimal contact, seminar and contact should have a 1:1 relationship.
For the purpose of learning about the client's information, the customer and contact should have a 1:1 relationship and both should fully participate in the seminar.
Due to the fact that an invoice may only be generated when anything is ordered and that a client may place several orders, full consumer engagement is required.
Because an invoice is only passed if it is generated, it should have a 1:n relationship with every line number.
line number and product n:1 complete involvement on the product and partial on the line number.
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