hackerrank1 [해커랭크] Easy 문제 풀이 1 # Revising the Select Query | select * from city where population > 100000 and countrycode = 'USA'; # Revising the Select Query || select name from city where population > 120000 and countrycode = 'USA'; # Select All select * from city; # Select by ID select * from city where id = '1661'; # Japanese Cities' Attributes select * from city where countrycode = 'JPN'; # Japanese Cities' Names select .. 2023. 7. 20. 이전 1 다음