It would be good to try out some things that you can't do in advance. If you can't do it during class... Is this a waste of time? Most people take classes online because they don't have time.

simonaha8230235

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

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