8 Week SQL Challenge - https://8weeksqlchallenge.com/
SQL Case studies done by Gino Hobayan
Getting better at SQL, one line of code at a time.
This SQL Challenge is an excellent way to apply all the theoretical SQL knowledge I learned from DataCamp's SQL Fundamentals and the Google Data Analytics Certificate.
I used the following:
- Microsoft SQL Server for Case Study #1 - Danny's Diner and #2 - Pizza Runner
- PostgreSQL (Using DB fiddle) for Case Study #7 - Balanced Tree Clothing Co.
![Dannys Diner img](https://private-user-images.githubusercontent.com/117270964/261958291-64af7ab9-d0d9-4607-9e42-1c22184999ff.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MzkxNzMwMjAsIm5iZiI6MTczOTE3MjcyMCwicGF0aCI6Ii8xMTcyNzA5NjQvMjYxOTU4MjkxLTY0YWY3YWI5LWQwZDktNDYwNy05ZTQyLTFjMjIxODQ5OTlmZi5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjUwMjEwJTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI1MDIxMFQwNzMyMDBaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1jMmMyYTZkZjMwODcyZDY3NDcwMzk2NzI5M2NhN2NjMDljOWM0MGZiNWM0MDgwYmE5OTZiMzc4YjU2NWI1NWQwJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCJ9.NS64rAGNpXXnNfBLt_70SX2ml9vCRjI7D90SYTH3q6Q)
This case study really helped me deepen my understanding of Aggregate functions, Window functions, CASE statements, CTEs, and more.
Link to my Solution 👉 https://github.com/Gino-Freud-Hobayan/8WeekSQL_Challenge/tree/main/2.)%20Pizza%20Runner
![pizza_runner_pic](https://private-user-images.githubusercontent.com/117270964/297273592-609bcfc5-3a7b-4bca-9ae1-e3b2cf637706.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MzkxNzMwMjAsIm5iZiI6MTczOTE3MjcyMCwicGF0aCI6Ii8xMTcyNzA5NjQvMjk3MjczNTkyLTYwOWJjZmM1LTNhN2ItNGJjYS05YWUxLWUzYjJjZjYzNzcwNi5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjUwMjEwJTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI1MDIxMFQwNzMyMDBaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1mZjhlMmM3ODliZWM2ZGQxYTQ5NDdhYmZjN2JjY2M3YjRiYzdlZDU3NDIzYjA1YTVhMTY2YmFiMjQ2YmE1YzE0JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCJ9._cOivSdalZYVgZAsA4f_QjCzhhQez3n-Ky22xeckWAQ)
Got to practice more Data cleaning and SQL queries.
Currently a work in progress.
Link to my Solution 👉 https://github.com/Gino-Freud-Hobayan/8WeekSQL_Challenge/tree/main/7.)%20Balanced%20Tree%20Clothing%20Store
![7 pic](https://private-user-images.githubusercontent.com/117270964/273785517-735f7f93-e44d-4668-9d24-d5cff9279e68.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MzkxNzMwMjAsIm5iZiI6MTczOTE3MjcyMCwicGF0aCI6Ii8xMTcyNzA5NjQvMjczNzg1NTE3LTczNWY3ZjkzLWU0NGQtNDY2OC05ZDI0LWQ1Y2ZmOTI3OWU2OC5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjUwMjEwJTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI1MDIxMFQwNzMyMDBaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT02MTRhYTU4MWVhNDc1NWY5ZDhhNzUwMTdmYzgyNjNiY2NmZDJhMmNhZjIyZjlhYmZmMTk3M2Y0OTc4NzhkOTNlJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCJ9.zUoMYVOQXFm83kkyY_w-wHq4flsvTAWl-kIlRSDP6tM)
Just tried this case study since it looked interesting.