The data in flat files has been provided: INVOICE TABLE INVOICE_NUM CUSTOMER_ID INVOICE_DATE EMPLOYEE_ID COIN_ID DELIVERY_ID 8111 11011 15 May 2021 emp103 7111 511 8112 11013 15 May 2021 emp101 7116 512 8113 11012 17 May 2021 emp101 7112 513 8114 11015 17 May 2021 emp102 7111 514 8115 11011 17 May 2021 emp102 7115 515 8116 11015 18 May 2021 emp103 7115 516 8117 11012 19 May 2021 emp105 7112 517 8118 11013 19 May 2021 emp105 7112 517 COIN_RETURNS TABLE RETURN_ID RETURN_DATE REASON CUSTOMER_ID COIN_ID EMPLOYEE_ID ret001 25 May 2021 Customer not satisfied with product 11011 7116 emp101 ret002 25 May 2021 Product missing part 11013 7114 emp103 COIN TABLE COIN_ID PRODUCT PRICE QTY 7111 1oz Gold Kruger Rand R 5 999 10 7112 1oz Silver Kruger Rand R 12 999 8 7113 Gold Big 5 Uncirculated R 15 999 8 7114 Silver Big 5 Pack R 7 999 5 7115 1oz Gold Palaeontology R 11 999 15 7116 1oz Silver Palaeontology R 7 999 12 COIN_DELIVERY TABLE DELIVERY_ID DELIVERY_NOTES DISPATCH_DATE DELIVERY_DATE 511 Double packaging requested 10 May 2021 15 May 2021 512 Delivery to work address 12 May 2021 15 May 2021 513 Signature required 12 May 2021 17 May 2021 514 No notes 12 May 2021 15 May 2021 515 Birthday present wrapping required 18 May 2021 19 May 2021 516 Delivery to work address 20 May 2021 25 May 2021 517 Double packaging requested 25 May 2021 27 May 2021 EMPLOYEE TABLE EMPLOYEE_ID FIRST_ NAME SURNAME CONTACT_ NUMBER DEPARTMENT ADDRESS EMAIL emp101 Xander Davis 0877277521 sales 10 Main Road xand@isat.com emp102 Steven Marks 0837377522 marketing 18 Water Road sm@isat.com emp103 Jessica Andrews 0817117523 sales 21 Circle Lane ja@isat.com emp104 Wayne Dryer 0797215244 sales 1 Sea Road dryer@isat.com emp105 Xolani Samson 0827122255 manager 12 Main Road xosam@isat.com Customer Table CUSTOMER_ID FIRST_NAME SURNAME ADDRESS CONTACT_NUMBER EMAIL 11011 Mat Smith 18 Water Rd 0877277521 msmith@isat.com 11012 Julien Hendricks 22 Water Rd 0863257857 jh@mcom.co.za 11013 Sam Clark 101 Summer Lane 0834567891 sclark@mcom.co.za 11014 Kevin Jones 55 Mountain Wa 0612547895 kj@isat.co.za 11015 Lucy Williams 5 Main Rd 0827238521 lw@mcal.co.za 1) Management of COINS 4 AFRICA require an Entity Relationship Diagram (ERD) based on the flat files that have been supplied. Your ERD must incorporate all the entities and attributes supplied, as well as establishing the relationships between the entities.
The data in flat files has been provided: INVOICE TABLE INVOICE_NUM CUSTOMER_ID INVOICE_DATE EMPLOYEE_ID COIN_ID DELIVERY_ID 8111 11011 15 May 2021 emp103 7111 511 8112 11013 15 May 2021 emp101 7116 512 8113 11012 17 May 2021 emp101 7112 513 8114 11015 17 May 2021 emp102 7111 514 8115 11011 17 May 2021 emp102 7115 515 8116 11015 18 May 2021 emp103 7115 516 8117 11012 19 May 2021 emp105 7112 517 8118 11013 19 May 2021 emp105 7112 517 COIN_RETURNS TABLE RETURN_ID RETURN_DATE REASON CUSTOMER_ID COIN_ID EMPLOYEE_ID ret001 25 May 2021 Customer not satisfied with product 11011 7116 emp101 ret002 25 May 2021 Product missing part 11013 7114 emp103 COIN TABLE COIN_ID PRODUCT PRICE QTY 7111 1oz Gold Kruger Rand R 5 999 10 7112 1oz Silver Kruger Rand R 12 999 8 7113 Gold Big 5 Uncirculated R 15 999 8 7114 Silver Big 5 Pack R 7 999 5 7115 1oz Gold Palaeontology R 11 999 15 7116 1oz Silver Palaeontology R 7 999 12 COIN_DELIVERY TABLE DELIVERY_ID DELIVERY_NOTES DISPATCH_DATE DELIVERY_DATE 511 Double packaging requested 10 May 2021 15 May 2021 512 Delivery to work address 12 May 2021 15 May 2021 513 Signature required 12 May 2021 17 May 2021 514 No notes 12 May 2021 15 May 2021 515 Birthday present wrapping required 18 May 2021 19 May 2021 516 Delivery to work address 20 May 2021 25 May 2021 517 Double packaging requested 25 May 2021 27 May 2021 EMPLOYEE TABLE EMPLOYEE_ID FIRST_ NAME SURNAME CONTACT_ NUMBER DEPARTMENT ADDRESS EMAIL emp101 Xander Davis 0877277521 sales 10 Main Road xand@isat.com emp102 Steven Marks 0837377522 marketing 18 Water Road sm@isat.com emp103 Jessica Andrews 0817117523 sales 21 Circle Lane ja@isat.com emp104 Wayne Dryer 0797215244 sales 1 Sea Road dryer@isat.com emp105 Xolani Samson 0827122255 manager 12 Main Road xosam@isat.com Customer Table CUSTOMER_ID FIRST_NAME SURNAME ADDRESS CONTACT_NUMBER EMAIL 11011 Mat Smith 18 Water Rd 0877277521 msmith@isat.com 11012 Julien Hendricks 22 Water Rd 0863257857 jh@mcom.co.za 11013 Sam Clark 101 Summer Lane 0834567891 sclark@mcom.co.za 11014 Kevin Jones 55 Mountain Wa 0612547895 kj@isat.co.za 11015 Lucy Williams 5 Main Rd 0827238521 lw@mcal.co.za 1) Management of COINS 4 AFRICA require an Entity Relationship Diagram (ERD) based on the flat files that have been supplied. Your ERD must incorporate all the entities and attributes supplied, as well as establishing the relationships between the entities.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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The data in flat files has been provided:
INVOICE TABLE
INVOICE_NUM | CUSTOMER_ID | INVOICE_DATE | EMPLOYEE_ID | COIN_ID | DELIVERY_ID |
8111 | 11011 | 15 May 2021 | emp103 | 7111 | 511 |
8112 | 11013 | 15 May 2021 | emp101 | 7116 | 512 |
8113 | 11012 | 17 May 2021 | emp101 | 7112 | 513 |
8114 | 11015 | 17 May 2021 | emp102 | 7111 | 514 |
8115 | 11011 | 17 May 2021 | emp102 | 7115 | 515 |
8116 | 11015 | 18 May 2021 | emp103 | 7115 | 516 |
8117 | 11012 | 19 May 2021 | emp105 | 7112 | 517 |
8118 | 11013 | 19 May 2021 | emp105 | 7112 | 517 |
COIN_RETURNS TABLE
RETURN_ID | RETURN_DATE | REASON | CUSTOMER_ID | COIN_ID | EMPLOYEE_ID |
ret001 | 25 May 2021 | Customer not satisfied with product |
11011 | 7116 | emp101 |
ret002 | 25 May 2021 | Product missing part | 11013 | 7114 | emp103 |
COIN TABLE
COIN_ID | PRODUCT | PRICE | QTY |
7111 | 1oz Gold Kruger Rand | R 5 999 | 10 |
7112 | 1oz Silver Kruger Rand | R 12 999 | 8 |
7113 | Gold Big 5 Uncirculated | R 15 999 | 8 |
7114 | Silver Big 5 Pack | R 7 999 | 5 |
7115 | 1oz Gold Palaeontology | R 11 999 | 15 |
7116 | 1oz Silver Palaeontology | R 7 999 | 12 |
COIN_DELIVERY TABLE
DELIVERY_ID | DELIVERY_NOTES | DISPATCH_DATE | DELIVERY_DATE |
511 | Double packaging requested | 10 May 2021 | 15 May 2021 |
512 | Delivery to work address | 12 May 2021 | 15 May 2021 |
513 | Signature required | 12 May 2021 | 17 May 2021 |
514 | No notes | 12 May 2021 | 15 May 2021 |
515 | Birthday present wrapping required | 18 May 2021 | 19 May 2021 |
516 | Delivery to work address | 20 May 2021 | 25 May 2021 |
517 | Double packaging requested | 25 May 2021 | 27 May 2021 |
EMPLOYEE TABLE
EMPLOYEE_ID | FIRST_ NAME |
SURNAME | CONTACT_ NUMBER |
DEPARTMENT | ADDRESS | |
emp101 | Xander | Davis | 0877277521 | sales | 10 Main Road |
xand@isat.com |
emp102 | Steven | Marks | 0837377522 | marketing | 18 Water Road |
sm@isat.com |
emp103 | Jessica | Andrews | 0817117523 | sales | 21 Circle Lane |
ja@isat.com |
emp104 | Wayne | Dryer | 0797215244 | sales | 1 Sea Road | dryer@isat.com |
emp105 | Xolani | Samson | 0827122255 | manager | 12 Main Road |
xosam@isat.com |
Customer Table
CUSTOMER_ID | FIRST_NAME | SURNAME | ADDRESS | CONTACT_NUMBER | |
11011 | Mat | Smith | 18 Water Rd | 0877277521 | msmith@isat.com |
11012 | Julien | Hendricks | 22 Water Rd | 0863257857 | jh@mcom.co.za |
11013 | Sam | Clark | 101 Summer Lane |
0834567891 | sclark@mcom.co.za |
11014 | Kevin | Jones | 55 Mountain Wa |
0612547895 | kj@isat.co.za |
11015 | Lucy | Williams | 5 Main Rd | 0827238521 | lw@mcal.co.za |
1) Management of COINS 4 AFRICA require an Entity Relationship Diagram (ERD) based on the flat
files that have been supplied. Your ERD must incorporate all the entities and attributes supplied,
as well as establishing the relationships between the entities.
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