Sql, Coding, Technology, Programming, Data Science.
Students who have gone to primary school probably know the story of Gauss calculating 1+2+3+…+100. Ordinary students adopted the most primitive method, which was to add 100 times step by step, while little Gauss was very smart, he found that 1+100=101, 2+99=101,…,50+51=101, from which he multiplied