Weather Observation Station 4 SQL Server HackerRank SQL Problem Solving English

Problem Link: Weather Observation Station 4 HackerRank SQL Problem Solving English Problem Name: Weather Observation Station 4 Difficulty Level: Easy It is a problem of simple SELECT statement COUNT aggregate function and DISTINCT clause. Solution Script: Table Create and Insert Script: To learn about Select statement and Where clause check this video: To learn about Distinct clause check this video: sql hackeranksolutions devalap

Источник: rutube.ru