WHERE문 해커랭크 예제 풀이(DISTINCT, NOT LIKE)
1. https://www.hackerrank.com/challenges/revising-the-select-query/problem?isFullScreen=true Revising the Select Query I | HackerRank Query the data for all American cities with populations larger than 100,000. www.hackerrank.com Q: Query all columns for all American cities in the CITY table with populations larger than 100000. The CountryCode for America is USA. The CITY table is described as f..