I took the beginner class, intermediate class, and problem solving class, and it was so helpful! I'll keep going up to the advanced class~

leckar12311219

Datalian's SQL intermediate problem-solving lecture with over 10,000 cumulative students and rich online/offline lecture experience. 
We will solve several problems together to practice the SQL intermediate theory.

datarian

[A hundred words are not as good as seeing once] Intermediate SQL problem solving for data analysis

하루 3시간! 하룻밤 만에 성장할 수 있는 강의만 모았어요!

3시간 만에 완강할 수 있는 강의 ⏰

sunmiyoon

jaemin

입문

초급

중급이상

Orientation

Problem-solving core function concept explanation

Set 1

Set 2

Set 3

Set 4

Finish