Introduction APT:
https://www.youtube.com/watch?v=7YcW25PHnAA
https://technologyadvice.com/blog/information-technology/how-to-use-an-api/
https://www.w3schools.com/sql/
https://www.freecodecamp.org/news/sql-and-databases-full-course/
https://www.hackerrank.com/challenges/weather-observation-station-15/