HackerRank SQL Problems and queries....
- PROJECT PLANNING: https://www.hackerrank.com/challenges/sql-projects/problem?isFullScreen=true&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen
- WEATHER OBSERVATION STATION 20: https://www.hackerrank.com/challenges/weather-observation-station-20/problem?isFullScreen=true
- DRAW TRAINGLE 1: https://www.hackerrank.com/challenges/draw-the-triangle-1/problem?isFullScreen=true