728x90 반응형 DB24 HackerRank_04. Select By ID 문제 : Query all columns for a city in CITY with the ID 1661. select * from CITY where ID = 1661; 1661 Sayama JPN Saitama 162472 2020. 6. 11. HackerRank_03. SELECT ALL 문제 : Query all columns (attributes) for every row in the CITY table. select * from CITY 6 Rotterdam NLD Zuid-Holland 593321 3878 Scottsdale USA Arizona 202705 3965 Corona USA California 124966 3973 Concord USA California 121780 3977 Cedar Rapids USA Iowa 120758 3982 Coral Springs USA Florida 117549 4054 Fairfield USA California 92256 4058 Boulder USA Colorado 91238 4061 Fall River USA Massachuse.. 2020. 6. 11. HackerRank_02. Revising the Select Query II 문제 : Query the names of all American cities in CITY with populations larger than 120000. The CountryCode for America is USA. select Name from CITY where COUNTRYCODE = 'USA' AND POPULATION > 120000; Scottsdale Corona Concord Cedar Rapids 2020. 6. 11. HackerRank_01. Revising the Select Query I 문제 : Query all columns for all American cities in CITY with populations larger than 100000. The CountryCode for America is USA. select * from CITY where COUNTRYCODE = 'USA' AND POPULATION > 100000; 3878 Scottsdale USA Arizona 202705 3965 Corona USA California 124966 3973 Concord USA California 121780 3977 Cedar Rapids USA Iowa 120758 3982 Coral Springs USA Florida 117549 2020. 6. 11. 이전 1 2 3 다음 728x90 반응형