It was a lot of practice. I solved the problems myself and listened to the explanations, so my skills improved a lot~

rarexband

Inflearn cumulative students of over 30,000, Datarian's advanced SQL course with extensive online/offline teaching experience.
Learn advanced SQL theory and solve 25 practice problems together.

datarian

인프런 10주년! 사랑주간 전체 할인

[A hundred words are not as good as seeing once] Advanced SQL for data analysis

rarexband, thank you for your hard work to the end! I'm glad it helped you improve your skills! If you leave your email address and Infleun nickname in the comments of your Datarian email or class review, I will send you the advanced class cheat sheet. If you're interested, please refer to it. Thank you for leaving a review :)

sunmiyoon

sdatarian

canary4651

입문

초급

중급이상

Orientation

WHERE clause subquery

FROM Clause & SELECT Clause Subqueries

Subquery Wrap-up

Window Functions (Aggregate Functions)

Window Functions (Ranking Functions)

Window Functions (Position-based Functions)

Conclusion