help1402

It's UWAweek 20 (1st semester, week 11)

help1402

This forum is provided to promote discussion amongst students enrolled in CITS1402 Relational Database Management Systems.

Please consider offering answers and suggestions to help other students! And if you fix a problem by following a suggestion here, it would be great if other interested students could see a short "Great, fixed it!" followup message.

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UWA week 18 (1st semester, week 9) ↓

Project 2: Invoice Generated For Appointment (both)

4:07pm Fri 3rd May, Zhulin L.

Hi there, I have a question about "Invoice Generated For Appointment" binary relationship. The multiplicity near Invoice is 0..1. Dose this mean that there are some appointments won't generate invoices??

Project 2: Invoice Generated For Appointment (both)

2:09pm Sat 4th May, Maira A.

Hi Zhulin, I have copied this from the project sheet "At the end of an appointment, an invoice is generated." So, after every appointment an invoice is generated. Hope this helps. "Zhulin Lyu" <24*1*6*5@s*u*e*t*u*a*e*u*a*> wrote:

> Hi there, > I have a question about "Invoice Generated For Appointment" binary relationship. The multiplicity near Invoice is 0..1. Dose this mean that there are some appointments won't generate invoices??

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