Difficulty Level (easy-⭐, medium-⭐⭐,difficult-⭐⭐⭐)
| #Day | Company | Difficulty level | Platform | Title | Solution |
|---|---|---|---|---|---|
| 1 | Microsoft | ⭐ | Stratascratch | Finding Updated Records | 📄 Solution |
| 2 | ⭐ | DataLemur | Data Scicence Skills | 📄 Solution | |
| 3 | Forbes | ⭐ | Stratascratch | Find the most profitable company in the financial sector of the entire world along with its continent | 📄 Solution |
| 4 | LinkedIn Dropbox | ⭐ | Stratascratch | Salary Differences | 📄 Solution |
| 5 | Apple | ⭐ | Stratascratch | Count the number of user events performed by MacBookPro users | 📄 Solution |
| 6 | Meta/Facebook | ⭐ | Stratascratch | Popularity of Hack | 📄 Solution |
| 7 | Meta/Facebook | ⭐ | DataLemur | App Click-through Rate (CTR) | 📄 Solution |
| 8 | City of San Francisco | ⭐⭐ | Stratascratch | Number of violations | 📄 Solution |
| 9 | Twitter, Asana | ⭐⭐ | Stratascratch | Highest Salary In Department | 📄 Solution |
| 10 | Spotify | ⭐⭐ | Stratascratch | Find the top 10 ranked songs in 2010 | 📄 Solution |
| 11 | City of San Francisco | ⭐⭐ | Stratascratch | Classify Business Type | 📄 Solution |
| 12 | Amazon Meta/Facebook | ⭐⭐ | Stratascratch | Customer Revenue In March | 📄 Solution |
| 13 | Airbnb | ⭐⭐ | Stratascratch | Find matching hosts and guests in a way that they are both of the same gender and nationality | 📄 Solution |
| 14 | Walmart, Best Buy, Dropbox | ⭐⭐ | Stratascratch | Employee and Manager Salaries | 📄 Solution |
| 15 | Salesforce | ⭐⭐ | Stratascratch | Highest Target Under Manager | 📄 Solution |
| 16 | ESPN | ⭐⭐ | Stratascratch | Largest Olympics | 📄 Solution |
| 17 | Amazon, Shopify | ⭐⭐ | Stratascratch | Highest Cost Orders | 📄 Solution |
| 18 | Wine Magazine | ⭐⭐ | Stratascratch | Find all wineries which produce wines by possessing aromas of plum, cherry, rose, or hazelnut | 📄 Solution |
| 19 | Amazon, DoorDash | ⭐⭐ | Stratascratch | Workers With The Highest Salaries | 📄 Solution |
| 20 | City of San Francisco | ⭐⭐ | Stratascratch | Income By Title and Gender | 📄 Solution |
| 21 | Airbnb | ⭐⭐ | Stratascratch | Number Of Units Per Nationality | 📄 Solution |
| 22 | Airbnb | ⭐⭐⭐ | Stratascratch | Host Popularity Rental Prices | 📄 Solution |
| 23 | Yelp | ⭐⭐⭐ | Stratascratch | Top 5 States With 5 Star Businesses | 📄 Solution |
| 24 | Microsoft | ⭐⭐⭐ | Stratascratch | Premium Vs. Freemium | 📄 Solution |