https://github.com/jillie-wink/sql-portfolio

SQL Data Analysis Projects
https://github.com/jillie-wink/sql-portfolio

data-analysis data-manipulation portfolio sql sqlite

Last synced: about 1 month ago
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SQL Data Analysis Projects

• Host: GitHub
• URL: https://github.com/jillie-wink/sql-portfolio
• Owner: Jillie-wink
• Created: 2024-09-13T02:56:54.000Z (5 months ago)
• Default Branch: main
• Last Pushed: 2024-09-28T19:08:59.000Z (5 months ago)
• Last Synced: 2025-01-20T21:17:57.510Z (about 1 month ago)
• Topics: data-analysis, data-manipulation, portfolio, sql, sqlite
• Homepage: https://github.com/Jillie-wink/SQL-Portfolio/tree/main
• Size: 32.2 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

        
SQL Portfolio

Thank you for taking the time to look at my SQL portfolio!

This project uses the "Classic Model Cars" dataset created by DataQuest.io for training purposes.

Attached is the SQL file I created to analyze product and customer data.



Skills:



  
Aggregate Functions

  
Common Table Expression (CTE)

  
Table Joins

  
Scalar Subqueries

  
Nested and Correlated Subqueries





Product Analysis



  
Which products should we order more of or less of? 

  
What are our top 10 overstocked products? 

  
What are our top 10 understocked products?

  
What is the product performance of each of our products?

  
What are our top 10 performing products?

  
Which 10 products should we prioritize restocking?





Customer Analysis



  
What are our profits per customer?

  
What is the mailing information for our top 5 customers?

  
What is the average lifetime value (LTV) of a customer?





Data Visualization

Q3: What are our top 10 understocked products?


| **Product Code** | **Product Name** | **Relative Demand** |

|---|---|---|

| S24_2000 | 1960 BSA Gold Star DBD34 | 67.67 |

| S12_1099 | 1968 Ford Mustang | 13.72 |

| S32_4289 | 1928 Ford Phaeton Deluxe | 7.15 |

| S32_1374 | 1997 BMW F650 ST | 5.7 |

| S72_3212 | Pont Yacht | 2.31 |

| S700_3167 | F/A 18 Hornet 1/72 | 1.9 |

| S50_4713 | 2002 Yamaha YZR M1 | 1.65 |

| S18_2795 | 1928 Mercedes-Benz SSK | 1.61 |

| S18_2248 | 1911 Ford Town Car | 1.54 |

| S700_1938 | The Mayflower | 1.22 |

| S32_3522 | 1996 Peterbilt 379 Stake Bed with Outrigger | 1.21 |