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9. Display all orders with their calculated total amount. For example, an order purchased 1 iPhone and 3 iPads, then the total for that order would be 1 * iPhone_price + 3 * iPad_price. An example output: 1 2 3 order_id total_amount 7.5 8.5 10

9. Display all orders with their calculated total amount. For example, an order purchased 1 iPhone and 3 iPads, then the total for that order would be 1 * iPhone_price + 3 * iPad_price. An example output: 1 2 3 order_id total_amount 7.5 8.5 10

Computer Networking: A Top-Down Approach (7th Edition)
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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**Order Total Calculation Example** In this example, we aim to display all orders with their calculated total amounts. For instance, if an order includes the purchase of 1 iPhone and 3 iPads, the total amount for that order would be calculated using the formula: \[ \text{Total} = 1 \times \text{iPhone\_price} + 3 \times \text{iPad\_price} \] ### Example Output: The table below shows a sample output of orders with their respective total amounts. | **order_id** | **total_amount** | |--------------|------------------| | 1 | 7.5 | | 2 | 8.5 | | 3 | 10 | This table lists: - **order_id**: A unique identifier for each order. - **total_amount**: The calculated total cost for the respective order. This example serves as a guideline for displaying order totals based on product prices and quantities.
Transcribed Image Text:**Order Total Calculation Example** In this example, we aim to display all orders with their calculated total amounts. For instance, if an order includes the purchase of 1 iPhone and 3 iPads, the total amount for that order would be calculated using the formula: \[ \text{Total} = 1 \times \text{iPhone\_price} + 3 \times \text{iPad\_price} \] ### Example Output: The table below shows a sample output of orders with their respective total amounts. | **order_id** | **total_amount** | |--------------|------------------| | 1 | 7.5 | | 2 | 8.5 | | 3 | 10 | This table lists: - **order_id**: A unique identifier for each order. - **total_amount**: The calculated total cost for the respective order. This example serves as a guideline for displaying order totals based on product prices and quantities.
Expert Solution
Step 1

Solution:

 

Creating tables based on requirement:

create table orders(
  order_id Integer primary key,
  order_desc varchar
);

create table items(
  item_id Integer primary key,
  order_id Integer,
  item_name varchar(20),
  price Integer,
  quantity Integer  
);

 

 

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