https://github.com/dm-zhuk/goit-rdb-hw-05

Relationship Databases Topic V Nested requests. Code reuse
https://github.com/dm-zhuk/goit-rdb-hw-05

mysql nested reuseable

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Relationship Databases Topic V Nested requests. Code reuse

• Host: GitHub
• URL: https://github.com/dm-zhuk/goit-rdb-hw-05
• Owner: dm-zhuk
• Created: 2024-06-05T14:19:09.000Z (5 months ago)
• Default Branch: main
• Last Pushed: 2024-06-07T21:26:58.000Z (5 months ago)
• Last Synced: 2024-06-07T22:38:42.594Z (5 months ago)
• Topics: mysql, nested, reuseable
• Homepage: https://dm-zhuk.github.io/goit-rdb-hw-05/
• Size: 7.71 MB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# goit-rdb-hw-05 Relationship Databases Topic V Nested requests. Code reuse

-- Task 1. SQL query that displays the `order_details` table and the `customer_id` field from the `orders` table, respectively, for each record field from the `order_details` table

![screenshot](./assets/Screenshot%20rdb-hw-05-test-5.1.jpg)

-- Task 2. SQL query that displays the `order_details` table. The results are filtered so that the corresponding record from the `orders` table fulfils the condition `shipper_id=3`. A nested query in the `WHERE` clause used

![screenshot](./assets/Screenshot%20rdb-hw-05-test-5.2.jpg)

-- Task 3. SQL query nested in the `FROM' statement, which selects rows with the `quantity>10' condition from the `order_details` table.

![screenshot](./assets/Screenshot%20rdb-hw-05-test-5.3.jpg)

-- Task 4: Solution for task 3 using the `WITH` statement to create the temporary table `temp`

![screenshot](./assets/Screenshot%20rdb-hw-05-test-5.4.jpg)

-- Task 5: This function has two parameters that divide the first parameter by the second. Both the parameters and the return value are of `FLOAT` type. The `DROP FUNCTION IF EXISTS` construct applied to the `quantity` attribute of the `order_details` table

![screenshot](./assets/Screenshot%20rdb-hw-05-test-5.5.jpg)

[text](sql_code.txt)