SALES Customer ID (primary key) Date of purchase Item code(foreign key) 001 2/05/2021 A-1 002 3/05/2021 B-1 003 4/05/2021 C-1 004 5/05/2021 D-1 005 6/05/2021 E-1 ITEM LIST Item code(primary key and foreign key) Item name Quantity A-1 Bread 35 B-1 Milk 45 C-1 Egg 12 D-1 Tea 20 PRICE LIST Item code(primary and foreign key) Item cost Total price A-1 15 525 B-1 15 675 C-1 8 96 D-1 20 400 Design a logical view for the tables
SALES Customer ID (primary key) Date of purchase Item code(foreign key) 001 2/05/2021 A-1 002 3/05/2021 B-1 003 4/05/2021 C-1 004 5/05/2021 D-1 005 6/05/2021 E-1 ITEM LIST Item code(primary key and foreign key) Item name Quantity A-1 Bread 35 B-1 Milk 45 C-1 Egg 12 D-1 Tea 20 PRICE LIST Item code(primary and foreign key) Item cost Total price A-1 15 525 B-1 15 675 C-1 8 96 D-1 20 400 Design a logical view for the tables
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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John's
SALES
| Customer ID (primary key) | Date of purchase | Item code(foreign key) |
| 001 | 2/05/2021 | A-1 |
| 002 | 3/05/2021 | B-1 |
| 003 | 4/05/2021 | C-1 |
| 004 | 5/05/2021 | D-1 |
| 005 | 6/05/2021 | E-1 |
ITEM LIST
| Item code(primary key and foreign key) | Item name | Quantity |
| A-1 | Bread | 35 |
| B-1 | Milk | 45 |
| C-1 | Egg | 12 |
| D-1 | Tea | 20 |
PRICE LIST
| Item code(primary and foreign key) | Item cost | Total price |
| A-1 | 15 | 525 |
| B-1 | 15 | 675 |
| C-1 | 8 | 96 |
| D-1 | 20 | 400 |
Design a logical view for the tables
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