Question

Using the information below, draw the required relationship diagrams and outline the supporting logic:

- Working in the accounts payable department, you have been asked to generate a report showing all outstanding balances by vendor # and PO#, including the specific vendor details (name and address).

- You have 4 tables to work with: o Invoices: Invoice number, amount invoiced, PO number o Vendor Master: Vendor number, Vendor address, Vendor Name o PO: PO numbers, vendor number, amount o Payments: Invoice number, Amount Paid, Payment Date, Payment ID

- Using only the tables and fields provided:

Draw a relationship diagram identifying the parent, child, and grandchild (If applicable) tables along with primary and foreign keys. Indicate the type of join (one to many, many to one, many to many) Describe the Logic for developing the report.

Answer 1

	Parent		Child		Grand child
I	Vendor (Foreign Key)		Purchase Order
			Invoice		Invoice number (Primary Key)
					Amount paid
					Payment Date
					Payment ID
	Vendor shall be linked to Purchase order and invoice.
II	Purchase order		Vendor (Foreign Key)		Vendor ID
			Invoice		Invoice number (Primary Key)
					Amount paid
					Payment Date
					Payment ID
	Purchase order shall be linked to vendor and invoice.