My skills have improved a lot because you explained difficult content step by step. However, I think it would have been better if a real cat had appeared at least once.

jo9392

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

Hello, Soojung :) Thank you for your review. I will take note of the actual cat reveal! Since the butler is a clumsy person... Please wait for the day when I can take a nice picture.

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