Milky's note

https://www.hackerrank.com/challenges/draw-the-triangle-2/problem?isFullScreen=true&h_r=next-challenge&h_v=zen Draw The Triangle 2 | HackerRank Draw the triangle pattern using asterisks. www.hackerrank.com [문제] P(R) represents a pattern drawn by Julia in R rows. The following pattern represents P(5): * * * * * * * * * * * * * * * Write a query to print the pattern P(20). [답] - mysql set @star=0;..