supcity supstatus purchase price deliv_period SUPNR | 0..M PRODNR supname prod-po po-prod SUPPLIER prodname supaddress 1.1 SUPPLIES 0.N po-sup sup-po ON ORDER PRODUCT 0..N 0.N PO LINE PURCHASE prodtype ORDER 0..M prod-po po-prod available quantity PONR podate quantity

supcity supstatus purchase price deliv_period SUPNR | 0..M PRODNR supname prod-po po-prod SUPPLIER prodname supaddress 1.1 SUPPLIES 0.N po-sup sup-po ON ORDER PRODUCT 0..N 0.N PO LINE PURCHASE prodtype ORDER 0..M prod-po po-prod available quantity PONR podate quantity

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Describe all sets of rules that you can come up with for the following figure

supcity
supstatus
purchase_price
deliv_period
SUPNR
| 0..M
PRODNR
supname
prod-po po-prod
SUPPLIER
prodname
supaddress
1.1
SUPPLIES
0.N
po-sup
ON ORDER
sup-po
PRODUCT
0..N
0..N
PO LINE
prodtype
PURCHASE
ORDER
0.M
prod-po po-prod
available
quantity
PONR
podate
quantity

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