These are my notes of learning data engineering, including SQL, Docker, Cloud, and fundamentals of database engineering (on development).
These are my notes of taking a Udemy class: 15 Days of SQL: The Complete SQL Masterclass 2025 by Nikolai Schuler. The lecture introduces SQL and database using PostgreSQL.
This is the archive of concepts in Big Data. It consists of the notes of personal learning and taking Udemy courses: The Complete dbt (Data Build Tool) Bootcamp: Zero to Hero by Zoltan C. Toth and Miklos (Mike) Petridisz and Big Data Engineering Bootcamp with GCP, and Azure Cloud by Krish Naik and Mayank Aggarwal.
This is an archive of practising SQL on LeetCode, Hackerrank, Stratascratch, and DataLemur.