Question: What business rule(s) and relationships can be described for the ERD in Figure QB.4? Figure QB.4: PART VEND PART VENDOR PK PART COOE O PK,FK1

What business rule(s) and relationships can be described for the ERD in Figure QB.4?

Figure QB.4:

PART VEND PART VENDOR PK PART COOE O PK,FK1 VEND ID PKFK2 PARI CODE PK VEND R PART_PROD PK,FK1 PART CODE PK,FK2 PROD COD

PART VEND PART VENDOR PK PART COOE O PK,FK1 VEND ID PKFK2 PARI CODE PK VEND R PART_PROD PK,FK1 PART CODE PK,FK2 PROD CODE PROD_CUST PRODUCT CUSTOMER PK PROD CO0E HE HHPK CUST NUM

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